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Digital assets and currencies

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Trading basics

1973 oil crisis

In October 1973, the Organization of Arab Petroleum Exporting Countries (OAPEC) announced that it was implementing a total oil embargo against countries that had supported Israel at any point during the 1973 Yom Kippur War, which began after Egypt and Syria launched a large-scale surprise attack in an ultimately unsuccessful attempt to recover the territories that they had lost to Israel

Fiat currencies

1999–2002 sale of British gold reserves

The sale of the British gold reserve was a policy pursued by HM Treasury between 1999 and 2002, when gold prices were at their lowest in 20 years, following an extended declining market. 395 tonnes of gold, or about half of the reserve, was sold off in a series of auctions, netting the Treasury $3.5 billion. In the ensuing 25 years, from 1999 to 2024, the price of gold increased at an av

Trading basics

2000s United States housing bubble

During the 2000s, United States housing prices experienced a sharp run up and subsequent collapse affecting over half of the U.S. states. In many regions, a real estate bubble was the impetus for the subprime mortgage crisis. Housing prices, which peaked in early 2006, started to decline in 2006 and 2007, and reached new lows in 2011. On December 30, 2008, the Case–Shiller home price in

Banking

2002 Uruguay banking crisis

The 2002 Uruguay banking crisis was a major banking crisis that hit Uruguay in July 2002. The crisis unfolded after years of heavy dollarization since the 1950s when chronic inflation and weak confidence in the peso led Uruguayans to prefer U.S. dollars. This left the economy highly exposed to external shocks. The crisis was caused by a considerable contraction in Uruguay's economy and b

Trading basics

2008 financial crisis

The 2008 financial crisis was a major worldwide financial crisis which started in the U.S. The first phase was the subprime mortgage crisis, which began in early 2007 as mortgage-backed securities (MBS) tied to U.S. real estate, and a vast web of derivatives linked to those MBS, collapsed in value. A liquidity crisis spread to global institutions by mid-2007 and climaxed with the bankrup

Trading basics

2008 Société Générale trading loss

In January 2008, the bank Société Générale lost approximately €4.9 billion closing out positions over three days of trading beginning January 21, 2008, a period in which the market was experiencing a large drop in equity indices. The bank states these positions were fraudulent transactions created by Jérôme Kerviel, a trader with the company. The police stated they lacked evidence to cha

Banking

2008 United Kingdom bank rescue package

During the period 2007–2009, the UK government intervened financially to support the UK banking sector, and four UK banks in particular.

Banking

2009 United Kingdom bank rescue package

A second bank rescue package totalling at least £50 billion was announced by the British government on 12 January 2009, as a response to the 2008 financial crisis. The package was designed to increase the amount of money that banks could lend to businesses and private individuals. This aid came in two parts: an initial £50 billion made available to big corporate borrowers, and a second u

Finance

2010 European Union bank stress test

A European Union-wide banking stress test exercise has been conducted by the Committee of European Banking Supervisors every year since 2009. The second instance was performed in July 2010. The Council of the European Union (in its economic and financial – ECOFIN – configuration) mandated that Committee so to do, in the aftermath of the 2008 financial crisis.

Trading basics

2010 flash crash

The flash crash of May 6, 2010, , also known as the crash of 2:45 or simply the flash crash, was a United States trillion-dollar flash crash (a type of stock market crash) which started at 2:32 p.m. EDT and lasted for approximately 36 minutes.

Trading basics

2010 United States foreclosure crisis

The 2010 United States foreclosure crisis, sometimes referred to as Foreclosure-gate or Foreclosuregate, refers to a widespread epidemic of improper foreclosures initiated by large banks and other lenders. The foreclosure crisis was extensively covered by news outlets beginning in October 2010, and several large banks—including Bank of America, JPMorgan Chase, Wells Fargo, and Citigroup

Securities & exchanges

2012 JPMorgan Chase trading loss

In April and May 2012, large trading losses occurred at JPMorgan's Chief Investment Office, based on transactions booked through its London branch. The unit was run by Chief Investment Officer Ina Drew, who later stepped down. A series of derivative transactions involving credit default swaps (CDS) were entered, reportedly as part of the bank's "hedging" strategy. Trader Bruno Iksil, nic

Finance

2016 European Union bank stress test

The European Union-wide banking stress test 2016 was conducted by the European Banking Authority (EBA) in order to assess the resilience of financial institutions in the European Union to a hypothetical adverse market scenario. The stress test was formally launched on 24 February 2016 with a publication of the final methodology and templates as well as the scenarios. It covered over 70%

Trading basics

2020 Twitter account hijacking

On July 15, 2020, between 20:00 and 22:00 UTC, 130 high-profile Twitter accounts were compromised by outside parties to promote a bitcoin scam. Hackers used social engineering against Twitter employees to gain access to administrative tools, allowing them to post the tweets directly. The scam tweets asked individuals to send bitcoin currency to a specific cryptocurrency wallet, with the

Trading basics

2025 Czech government Bitcoin scandal

The 2025 Czech government Bitcoin scandal was a scandal in the Czech Republic that involved a donation of 468 Bitcoins to the country's Ministry of Justice. The Czech daily newspaper, Deník N, reported that the Minister of Justice, Pavel Blažek, accepted the donation from Tomáš Jiřikovský, which was worth one billion Czech koruna at the time (approximately $45,000,000 USD). Jiřikovský ha

Payments & settlement

360-day calendar

The 360-day calendar is a method of measuring durations used in financial markets, in computer models, in ancient literature, and in prophetic literary genres.

Trading basics

4690 Operating System

4690 Operating System (sometimes shortened to 4690 OS or 4690) is a specially designed point of sale (POS) operating system, originally sold by IBM. In 2012, IBM sold its retail business, including this product, to Toshiba, which assumed support. 4690 is widely used by IBM and Toshiba retail customers to run retail systems which run their own applications and others. Retailers have used

Trading basics

99 Homes

99 Homes is a 2014 American independent drama film directed by Ramin Bahrani, written by Bahrani and Amir Naderi, and starring Andrew Garfield, Michael Shannon, Tim Guinee, and Laura Dern. Set in Florida, during the Great Recession, the film follows single father Dennis Nash (Garfield) and his family as they are evicted from their home by businessman Rick Carver (Shannon), leading to Nas

Trading basics

Aaron's

The Aaron's Company, Inc., commonly known as Aaron's, is an American lease-to-own retailer. The company focuses on leases and retail sales of furniture, electronics, appliances, and computers. The company sells through company-operated and franchised stores and its e-commerce platform.

Trading basics

Abkhazian apsar

The apsar (Abkhaz: аԥсар, āpsār; symbol:) is a currency of Abkhazia. So far, coins in denominations of 1, 2, 3, 5, 10, 20, 25, 50, and 100 apsars and banknotes in denominations of 10, 25, 50, 100, 200 and 500 apsars have been issued. While the coins and banknotes are legal tender in the Republic of Abkhazia, their usage is limited, and they are mostly made for collectors. In Abkhazia, t

Trading basics

Abraham & Straus

Abraham & Straus, commonly shortened to A&S, was a major New York City department store, based in Brooklyn. Founded in 1865, it became part of Federated Department Stores in 1929. Shortly after Federated's 1994 acquisition of R.H. Macy & Company, it eliminated the A&S brand. Most A&S stores took the Macy's name, although a few became part of Stern's, another Federated division, but one t

Finance

Abu Dhabi Developmental Holding Company

Abu Dhabi Developmental Holding Company PJSC (Arabic: شركة أبوظبي التنموية القابضة ش.م.ع), branded ADQ after 2020, was a short-lived sovereign wealth fund based in Abu Dhabi. It was established in 2018 as a comparatively low-profile state-owned entity, acronymized ADDH at the time. After rebranding in 2020, it emerged as a major global investor. In 2023, it was among the world's top 10 s

Banking

Accel (interbank network)

Accel (formerly known as the ACCEL/Exchange Network) is a North American interbank network owned by Fiserv. It connects over 412,000 automatic teller machines (ATMs) in all 50 states in the United States. The network also has a small number of ATMs in certain U.S. Air Force Bases around the world, and over 3.3 million electronic funds transfer at point-of-sale locations.

Trading basics

Account-based selling

Account-based selling, also known as account-based sales and hyper-segmented sales, is a strategic sales model in which the sale of goods or services is carried out to narrow segments of the target audience or specific decision makers. In a typical ABS concept, the selling company forms a target audience, then divides it into narrow segments to offline selling.

Trading basics

Accounting period

An accounting period, in bookkeeping, is the period with reference to which management accounts and financial statements are prepared.

Finance

Accounting scandal

An accounting scandal is a business scandal that arises from intentional manipulation of financial statements, with the disclosure of financial misdeeds by trusted executives of corporations or governments. Such misdeeds typically involve complex methods for misusing or misdirecting funds, overstating revenues, understating expenses, overstating the value of corporate assets, or underrep

Payments & settlement

ACI Worldwide

ACI Worldwide is a digital payments software company headquartered in Elkhorn, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars for customers in 94 countries. Banks, financial institutions, merchants, billers, acquirers, issuers, and other third-party payment service providers use its intelligent solutions to deploy secure payment rails across

Trading basics

Acquisition of Credit Suisse by UBS

On 19 March 2023, Swiss bank UBS Group AG agreed to buy Credit Suisse for CHF 3 billion (US$3.2 billion) in an all-stock deal brokered by the government of Switzerland and the Swiss Financial Market Supervisory Authority. The Swiss National Bank supported the deal by providing more than CHF 100 billion (US$104 billion) in liquidity to UBS following its takeover of Credit Suisse's operati

Trading basics

Active users

Active users is a software performance metric that is commonly used to measure the level of engagement for a particular software product or object, by quantifying the number of active interactions from users or visitors within a relevant range of time (daily, weekly and monthly).

Trading basics

Ad blocking

Ad blocking (or ad filtering) is a software capability for blocking or altering online advertising in a web browser, an application or a network. This may be done using browser extensions or other methods, such as browsers with inside blocking.

Trading basics

Adelaide Steamship Company

The Adelaide Steamship Company was an Australian shipping company, later a diversified industrial and logistics conglomerate. It was formed by a group of South Australian businessmen in 1875. Their aim was to control the transport of goods between Adelaide and Melbourne and profit from the need for an efficient and comfortable passenger service. For its first 100 years, the company's mai

Trading basics

Admiral Group

Admiral Group plc is a British financial services company headquartered in Cardiff, Wales. Listed on the London Stock Exchange, it is a constituent of the FTSE 100 Index, and markets the Admiral, Bell, Elephant, Diamond and Veygo insurance brands, and founded the price comparison services Confused.com, which it sold in 2021, and Compare.com.

Trading basics

Admirals (company)

Admirals (formerly known as Admiral Markets) is an Estonian online brokerage group based in Tallinn, Estonia, providing access to foreign-exchange trading and contracts for difference (CFDs). Established in 2003 by Alexander Tsikhilov, the company operates through several licensed entities.

Trading basics

Advanced capitalism

In political philosophy, particularly Frankfurt School critical theory, advanced capitalism is the situation that pertains in a society in which the capitalist model has been integrated and developed deeply and extensively and for a prolonged period. The expression advanced capitalism distinguishes such societies from the historical previous forms of capitalism, mercantilism and industri

Trading basics

Advanced Safety Features

"Advanced Safety Features" is the seventh episode of the sixth season of the American comedy television series Community, and the 104th episode of the series overall. It was released on Yahoo Screen in the United States on April 21, 2015. The episode also features product placement by Honda throughout the episode.

Trading basics

Advertising clutter

Advertising clutter or marketing clutter refers to the large volume of advertising messages that the average consumer is exposed to on a daily basis. It can occur in television, radio, print media, direct mail and online advertising. Clutter may be assessed objectively, through the number of advertisements or the proportion of advertising content, or subjectively, through the amount of a

Trading basics

Advertising in the Middle East

Advertising in the Middle East are derived from traditional, societal, political, and religious influences.

Payments & settlement

Adyen

Adyen is a Dutch payment company with the status of an acquiring bank that allows businesses to accept e-commerce, mobile, and point-of-sale payments. It is listed on the stock exchange Euronext Amsterdam.

Trading basics

Aerial advertising

Aerial advertising is a form of advertising that incorporates the use of flogos, manned aircraft, or drones to create, transport, or display, advertising media. The media can be static, such as a banner, logo, lighted sign or sponsorship branding. It can also be dynamic, such as animated lighted signage, skywriting, or audio.

Trading basics

Aetna

Aetna Inc. ( ET-nə) is an American managed health care company that sells traditional and consumer-directed health care insurance and related services, such as medical, pharmaceutical, dental, behavioral health, long-term care, and disability plans, primarily through employer-paid (fully or partly) insurance and benefit programs, and through Medicare. Since November 28, 2018, the company

Finance

Affirm Holdings

Affirm Holdings, Inc. is an American financial technology company and a point-of-sale lender. Founded in 2012 by PayPal co-founder Max Levchin, it is the largest U.S. based buy now, pay later (BNPL) financier. As of 2026, Affirm reports nearly 28 million users and processes $50 billion in annual payments.

Trading basics

Agent-based commerce

Agent-based commerce (also referred to as agentic commerce) describes an emerging form of e-commerce in which semi-autonomus and fully autonomous artificial intelligence (AI) agents independently execute purchasing and payment processes on behalf of users or organizations. Unlike conventional digital commerce systems, which require direct human interaction at key decision points, agent-

Trading basics

Agreement on 5% NATO defence spending by 2035

At the 2025 The Hague NATO summit, member states pledged to increase defence spending to five percent of GDP in what is called The Hague Investment Plan.

Trading basics

Agreement on Trade-Related Investment Measures

The Agreement on Trade-Related Investment Measures (TRIMs) are rules that are applicable to the domestic regulations a country applies to foreign investors, often as part of an industrial policy. The agreement, concluded in 1994, was negotiated under the WTO's predecessor, the General Agreement on Tariffs and Trade (GATT), and came into force in 1995. The agreement was agreed upon by al

Trading basics

Aid to the Church in Need

Aid to the Church in Need (German: Kirche in Not, Italian: Aiuto alla Chiesa che Soffre, French: Aide à l'Eglise en détresse, Latin : Auxilium Patienti Ecclesiae) is an international Catholic pastoral aid organization, which yearly offers financial support to more than 5,000 projects worldwide.

Trading basics

AIDA (marketing)

The AIDA marketing model was originally created by E. St. Elmo Lewis to break down how an advert should work (drive Awareness, spark Interest, create Desire and prompt Action). However, it has been re-used by many marketers to represent the first part of the customer journey instead. There are other models such as the RACE model (Chaffey) which offer a more thorough representation of th

Banking

Al Baraka Group

Al Baraka Group B.S.C. is a Bahraini international Islamic financial group that provides retail, corporate, treasury, and investment banking services through banking subsidiaries in 13 countries. Licensed by the Central Bank of Bahrain as an Investment Business Firm – Category 1 (Islamic Principles), it is headquartered in Manama, Bahrain.

Fiat currencies

Alan Walters

Sir Alan Arthur Walters (17 June 1926 – 3 January 2009) was a British economist who was best known as the Chief Economic Adviser to Prime Minister Margaret Thatcher from 1981 to 1983 and (following his return from the United States) again for five months in 1989.

Trading basics

Alberto di Jorio

Alberto di Jorio (18 July 1884 – 5 September 1979) was a cardinal of the Catholic Church and for many years along with the layman Bernardino Nogara the powerhouse behind the growing wealth of the Vatican and the Istituto per le Opere di Religione (popularly known as the "Vatican Bank").

Banking

Alexander Baring, 1st Baron Ashburton

Alexander Baring, 1st Baron Ashburton (27 October 1774 – 12 May 1848) was a British politician, diplomat and financier. A member of the Baring family, he was the second son of Sir Francis Baring, 1st Baronet.

Assets

Alexander Browder

Alexander Browder (born 2009) is a British student and financial crime researcher. He is the founder of the Global Cryptocurrency Laundering Database and the author of a 2026 report, published by the Henry Jackson Society, on the alleged use of cryptocurrency networks by sanctioned states to evade Western sanctions. In June 2026, at the age of 17, he was placed on an entry-ban list by th

Fiat currencies

Alexander del Mar

Alexander del Mar (aka Alexander Del Mar and Alexander Delmar; August 9, 1836 – July 1, 1926) was an American political economist, historian, numismatist and author. He was the first Director of the Bureau of Statistics at the U.S. Treasury Department from 1866 to 1869.

Fiat currencies

Alexander Van der Bellen

Alexander "Sascha" Van der Bellen (born 18 January 1944), also referred to by the abbreviation VdB, is an Austrian politician serving as the president of Austria since 2017. He was previously a professor of economics at the University of Vienna, and after joining politics, the spokesman of the Austrian Green Party.

Trading basics

Algorithmic trading

Algorithmic trading is a method of executing orders using automated pre-programmed trading instructions accounting for variables such as time, price, and volume. This type of trading attempts to leverage the speed and computational resources of computers relative to human traders. In the twenty-first century, algorithmic trading has been gaining traction with both retail and institutiona

Trading basics

All-commodity volume

All-commodity volume or ACV represents the total annual sales volume of retailers that can be aggregated from individual store-level up to larger geographical sets. This measure is a ratio, and so is typically measured as a percentage (or on a scale from 0 to 100).

Finance

Almaz Capital

Almaz Capital is a global VC fund headquartered in Portola Valley, California, United States investing in early stage, capital efficient technology companies in high-growth sectors. Almaz Capital focuses on disruptive

Trading basics

Aloha Airlines

Aloha Airlines was a United States airline that operated passenger flights from 1946 until 2008. It was headquartered in Honolulu, Hawaii, operating from its hub at Honolulu International Airport (now Daniel K. Inouye International Airport). Its IATA code has since been reassigned to 9 Air.

Finance

Alpha (finance)

Alpha is a measure of the active return on an investment, the performance of that investment compared with a suitable market index. An alpha of 1% means the investment's return on investment over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.

Trading basics

Alpha Beta

Alpha Beta was a chain of supermarkets in the Southwestern United States. Stores under this brand existed between 1917 and 1995. Former Alpha Beta stores have all been purchased by other grocery chains and rebranded.

Trading basics

Altafiber

Cincinnati Bell, Inc., doing business as Altafiber, is a regional telecommunications service provider based in Cincinnati, Ohio, United States. It provides landline telephone, fiber-optic Internet, and IPTV services through its subsidiaries Altafiber Home Phone and Hawaiian Telcom, which are the incumbent local exchange carriers for the Greater Cincinnati metropolitan area (aka "The Tri-

Banking

Alternative Bank Switzerland

Alternative Bank Switzerland (ABS) is a sustainability-oriented bank based in Olten, Canton of Solothurn, in Switzerland. Its headquarters are situated in the former building of the Walter Verlag.

Trading basics

Alternative data (finance)

Alternative data (in finance) refers to data used to obtain insight into the investment process. These data sets are often used by hedge fund managers and other institutional investment professionals within an investment company. Alternative data sets are information about a particular company that is published by sources outside of the company, which can provide unique and timely insigh

Finance

Alternative Investment Market

AIM (formerly the Alternative Investment Market) is a sub-market of the London Stock Exchange that was launched on 19 June 1995 as a replacement to the previous Unlisted Securities Market (USM) that had been in operation since 1980. It allows companies that are smaller, less-developed, or want/need a more flexible approach to governance to float shares with a more flexible regulatory sys

Trading basics

Alternative trading system

Alternative trading system (ATS) is a US and Canadian regulatory term for a non-exchange trading venue that matches buyers and sellers to find counterparties for transactions. Alternative trading systems are typically regulated as broker-dealers rather than as exchanges (although an alternative trading system can apply to be regulated as a securities exchange). In general, for regulatory

Banking

Amalgamated Bank

Amalgamated Bank is an American financial institution. It is the largest union-owned bank and one of the only unionized banks in the United States. Amalgamated Bank is currently majority-owned by Workers United, an SEIU Affiliate.

Trading basics

Amazon China

Amazon China (Chinese: 亚马逊中国), formerly known as Joyo.com (Chinese: 卓越网), is an online shopping website. Joyo.com was founded in early 2000 by the Chinese entrepreneur Lei Jun in Beijing, China. The company primarily sold books and other media goods, shipping to customers nationwide. Joyo.com was renamed to “Amazon China” when sold to Amazon Inc in 2004 for US$75 Million. Amazon China cl

Payments & settlement

Amazon Pay

Amazon Pay is an online Payment service provider owned by Amazon. Launched in 2007, Amazon Pay uses the consumer base of Amazon.com and focuses on giving users the option to pay with their Amazon accounts on external merchant websites. Before Amazon Pay was functional in China, in 2008, Alipay entered into a cooperation with Amazon.cn to enable payments through Alipay's platform in order

Trading basics

American depositary receipt

An American depositary receipt (abbreviated ADR, and sometimes spelled depository) is a negotiable security that represents securities of a foreign company and allows that company's shares to trade in the U.S. financial markets.

Payments & settlement

American Express

American Express Company (Amex) is an American bank holding company and multinational financial services corporation that specializes in payment cards. It is headquartered at 200 Vesey Street, also known as American Express Tower, in the Battery Park City neighborhood of Lower Manhattan; in 2026, the company announced that it would develop and be the sole occupant of the new 2 World Trad

Finance

American Psycho

American Psycho is a horror novel by American writer Bret Easton Ellis, published in 1991. The story is told in the first-person by Patrick Bateman, a wealthy, narcissistic, and vain Manhattan investment banker who lives a double life as a serial killer. Alison Kelly of The Observer notes that while "Some countries [deem it] so potentially controversial that it only to be sold as shrink-

Trading basics

American Research & Development Corporation

American Research & Development Corporation (ARD) was an American investment firm founded in Boston in 1946. Considered the first modern venture capital firm in the United States, the firm set industry precedents by combining institutional capital with professional selection and oversight of early-stage ventures.

Banking

An Introduction to Islamic Finance

An Introduction to Islamic Finance is a book written by Pakistani scholar Taqi Usmani on Islamic banking and finance. The book remains one of the gateway publications on Islamic finance. Most of the focus of the book is on banking rather than fund management. The author urges Islamic banks to develop their own culture, as ultimately it is the value system that matters. The book displays

Trading basics

Anarcho-capitalism

Anarcho-capitalism (colloquially: Ancap) is a political ideology and economic theory that advocates the replacement of all coercive government institutions with private enterprise, along with the expansion of economic liberalism and a market economy through the promotion of a voluntary society.

Securities & exchanges

Andrey Bushev

Andrey Yuryevich Bushev (Russian: Андрей Юрьевич Бушев; born 12 February 1966) is a Russian jurist and scholar of commercial law who currently serves as the judge of the Constitutional Court of Russia since 2022.

Payments & settlement

Angadia

Angadia is a traditional banking system that has been prevalent in the Indian subcontinent for centuries. Angadia refers to a trusted network of individuals who specialize in the secure transportation of valuable goods, including cash, jewelry, and important documents. It originated in the state of Gujarat. Angadia services facilitate trade and commerce in the region. In exchange for the

Finance

Anglo Irish Bank hidden loans controversy

The Anglo Irish Bank hidden loans controversy (also known as the circular transactions controversy) began in Dublin in December 2008 when Seán FitzPatrick, the chairman of Anglo Irish Bank (the state's third-largest bank), admitted he had hidden a total of €87 million in loans from the bank, triggering a series of incidents which led to the eventual nationalisation of Anglo on 21 January

Trading basics

Anglo-Saxon model

The Anglo-Saxon model (so called because it is practiced in Anglosphere countries such as the United Kingdom, the United States, Canada, New Zealand, Australia and Ireland) is a regulated market-based economic model that emerged in the 1970s.

Trading basics

Annates

Annates ( or ; Latin: annatae, from annus, "year") were a payment from the recipient of an ecclesiastical benefice to the collating authorities. Eventually, they consisted of half or the whole of the first year's profits of a benefice; after the appropriation of the right of collation by the Roman see, they were paid to the papal treasury, ostensibly as a proffered contribution to the ch

Finance

ANSES

The National Social Security Administration (Spanish: Administración Nacional de la Seguridad Social; mostly known by its acronym ANSES) is a decentralized Argentine Government social insurance agency managed by the Secretariat of Labour, Employment and Social Security controlled by the Ministry of Human Capital.

Trading basics

Anti-deprivation rule

The anti-deprivation rule (also known as fraud upon the bankruptcy law) is a principle applied by the courts in common law jurisdictions (other than the United States) in which, according to Mellish LJ in Re Jeavons, ex parte Mackay, "a person cannot make it a part of his contract that, in the event of bankruptcy, he is then to get some additional advantage which prevents the property be

Finance

Antigonish Movement

The Antigonish Movement blended adult education, co-operatives, microfinance and rural community development to help small, resource-based communities around Canada's Maritimes to improve their economic and social circumstances. A group of priests and educators, including Father Jimmy Tompkins, Father Moses Coady, Rev. Hugh MacPherson and A.B. MacDonald led this movement from a base at t

Trading basics

Antiquities trade

The antiquities trade is the exchange of antiquities and archaeological artifacts from around the world. This trade may be illicit or completely legal. The legal antiquities trade abides by national regulations, allowing for extraction of artifacts for scientific study whilst maintaining archaeological and anthropological context. The illicit antiquities trade involves non-scientific ext

Trading basics

Appeal to fear

An appeal to fear (also called argumentum ad metum or argumentum in terrorem) is a fallacy in which a person attempts to create support for an idea by attempting to increase fear towards an alternative. An appeal to fear is related to the broader strategy of fear appeal and is a common tactic in marketing, politics, and media (communication).

Trading basics

Appearance of corruption

The appearance of corruption is a principle of law mentioned in, or relevant to, several U.S. Supreme Court decisions related to campaign finance in the United States.

Trading basics

Appellate Body

The Appellate Body of the World Trade Organization (WTO) is a standing body of seven persons that hears appeals from reports issued by panels in disputes brought on by WTO members. The WTOAB can uphold, modify or reverse the legal findings and conclusions of a panel, and Appellate Body Reports, once adopted by the Dispute Settlement Body (DSB), must be accepted by the parties to the disp

Payments & settlement

Apple Pay

Apple Pay is a mobile payment service by Apple that allows users to make payments in person, in iOS apps, and on the web. Supported on iPhone, Apple Watch, iPad, Mac, and Vision Pro, Apple Pay digitizes and can replace a credit or debit card chip and PIN transaction at a contactless-capable point-of-sale terminal. It does not require Apple Pay–specific contactless payment terminals; it c

Trading basics

Arbitrage pricing theory

In finance, arbitrage pricing theory (APT) is a multi-factor model for asset pricing which relates various macro-economic (systematic) risk variables to the pricing of financial assets. Proposed by economist Stephen Ross in 1976, it is widely believed to be an improved alternative to its predecessor, the capital asset pricing model (CAPM). APT is founded upon the law of one price, which

Trading basics

Ares Management

Ares Management Corporation is a global alternative investment manager operating in the credit, private equity and real estate markets. The company was founded in 1997, with additional offices across North America, Europe, and Asia.

Assets

Arkham (cryptocurrency exchange)

Arkham (legally named Arkham Intelligence, Inc.) is an American company that operates a cryptocurrency exchange platform as well as a public data application that enables users to analyze blockchain and cryptocurrency activity.

Securities & exchanges

Arlington Asset Investment

Arlington Asset Investment Corp. is a mortgage real estate investment trust headquartered in McLean, Virginia. It is an investment firm that focuses primarily on investing in mortgage related assets and residential real estate.

Trading basics

Arriva

Arriva Ltd. is a British multinational public transport company headquartered in Sunderland, England.

Securities & exchanges

Arthur Dantchik

Arthur Dantchik (born 1957) is an American billionaire businessman and philanthropist who is a co-founder and the managing director of Susquehanna International Group, a Bala Cynwyd, Pennsylvania-based financial services firm founded in 1987. As of September 2026, Dantchik's net worth was estimated at $19.5 billion.

Trading basics

Artificial intelligence in marketing

Artificial intelligence marketing (AI marketing) is a form of marketing that uses artificial intelligence concepts and models such as machine learning, natural language processing, and computer vision to achieve marketing goals. The main difference between AI marketing and traditional forms of marketing resides in the reasoning, which is performed through a computer algorithm rather than

Trading basics

Aruban florin

The Aruban florin (Dutch: [floːˈrɪn]; abbreviation: Afl.; code: AWG), also called the Aruban guilder, is the currency of Aruba. It is subdivided into 100 cents. The florin was introduced in 1986, replacing the Netherlands Antillean guilder at par. The currency is pegged to the US dollar at (or very near) AWG1.79 per USD1.00.

Trading basics

Ascension (healthcare system)

Ascension is a large private Catholic healthcare system in the United States. Ascension had 142,000 employees, 90 hospitals, and 40 senior living facilities operating in 17 states and the District of Columbia as of July 1, 2025. Ascension is one of the largest nonprofit and one of the largest Catholic health systems in the United States. It also operates a number of for-profit firms, in

Trading basics

Asher Edelman

Asher Barry Edelman (born November 26, 1939) is an American financier.

Securities & exchanges

Asian option

An Asian option (or average value option) is a special type of option contract. For Asian options, the payoff is determined by the average underlying price over some pre-set period of time. This is different from the case of the usual European option and American option, where the payoff of the option contract depends on the price of the underlying instrument at exercise; Asian options a

Trading basics

Asset

In financial accounting, an asset is any resource owned or controlled by a business or an economic entity. It is anything (tangible or intangible) that can be used to produce positive economic value. Assets represent the ownership of value that can be converted into cash (although cash itself is also considered an asset).

Securities & exchanges

Asset classes

In finance, an asset class is a group of marketable financial assets that have similar financial characteristics and behave similarly in the marketplace. These instruments can be distinguished as either having to do with real assets or having to do with financial assets. Often, assets within the same asset class are subject to the same laws and regulations; however, this is not always

Trading basics

Asset stripping

Asset stripping is the selling off of a company's assets to improve returns for equity investors, often a financial investor, a "corporate raider", who takes over another company and then auctions off the acquired company's assets. The term is generally used in a pejorative sense as such activity is not considered helpful to the company.