Industry WIKI

Open outcry is a method of communication between professionals on a stock exchange or futures exchange, typically on a trading floor. It involves shouting and the use of hand signals to transfer information primarily about buy and sell orders. The part of the trading floor where this takes place is called a pit.

In business, operating margin—also known as operating income margin, operating profit margin, EBIT margin and return on sales (ROS) - is the ratio of operating income ("operating profit" in the UK) to net sales, usually expressed in percent.

Operational database management systems (also referred to as OLTP databases or online transaction processing databases), are used to update data in real-time. These types of databases allow users to do more than simply view archived data. Operational databases allow you to modify that data (add, change or delete data), doing it in real-time. OLTP databases provide transactions as main ab

In mathematics, the theory of optimal stopping or early stopping is concerned with the problem of choosing a time to take a particular action, in order to maximise an expected reward or minimise an expected cost. Optimal stopping problems can be found in areas of statistics, economics, and mathematical finance (related to the pricing of American options). A key example of an optimal stop

In finance, an option is a contract which conveys to its owner, the holder, the right, but not the obligation, to buy or sell a specific quantity of an underlying asset or instrument at a specified strike price on or before a specified date, depending on the style of the option.

In financial markets, an option naming convention is a method of identifying which of many possible options is being quoted or traded.

In finance, the style or family of an option is the class into which the option falls, usually defined by the dates on which the option may be exercised. The vast majority of options are either European or American (style) options. These options—as well as others where the payoff is calculated similarly—are referred to as "vanilla options". Options where the payoff is calculated differe

In finance, the time value (TV) (extrinsic or instrumental value) of an option is the premium a rational investor would pay over its current exercise value (intrinsic value), based on the probability it will increase in value before expiry. For an American option this value is always greater than zero in a fair market, thus an option is always worth more than its current exercise value.

Option strategies are the simultaneous, and often mixed, buying or selling of one or more options that differ in one or more of the options' variables. Call options, simply known as Calls, give the buyer a right to buy a particular stock at that option's strike price. Opposite to that are Put options, simply known as Puts, which give the buyer the right to sell a particular stock at the

Orangina (French pronunciation: [ɔʁɑ̃ʒina]) is a French lightly carbonated beverage made from carbonated water, 12% citrus juice (10% from concentrated orange and 2% from a combination of concentrated lemon, concentrated mandarin, and concentrated grapefruit juices), as well as 2% orange pulp. Orangina is sweetened with sugar or high fructose corn syrup (glucose-fructose) and, in some ma

An order book is the list of orders (manual or electronic) that a trading venue (in particular stock exchanges) uses to record the interest of buyers and sellers in a particular financial instrument. A matching engine uses the book to determine which orders can be fully or partially executed.

Organ trade (also known as the blood market or the red market) is the trading of human organs, tissues, or other body products, usually for transplantation. According to the World Health Organization (WHO), organ trade is a commercial transplantation where there is a profit, or transplantations that occur outside of national medical systems. There is a global need or demand for healthy b

Ortigas Center (also known as the Ortigas Central Business District or Ortigas CBD) is a central business district located within the joint boundaries of Pasig, Mandaluyong, and Quezon City, within Metro Manila in the Philippines. With an area of more than 100 hectares (250 acres), it is Metro Manila's second most important business district after the Makati Central Business District. It

OTC Markets Group, Inc. (formerly known as National Quotation Bureau, Pink Sheets, and Pink OTC Markets) is an American financial services corporation that operates a financial market providing price and liquidity information for almost 12,400 over-the-counter (OTC) securities. The group has its headquarters in New York City. OTC-traded securities are organized into four markets to info

The Ottoman public debt was a term which dated back to 24 August 1855, when the Ottoman Empire first entered into loan contracts with its European creditors shortly after the beginning of the Crimean War.

Ottoman Public Debt Administration (OPDA) was a European-controlled organization that was established in 1881 to collect the payments which the Ottoman Empire owed to European companies in the Ottoman public debt. The OPDA became a vast, essentially independent, bureaucracy within the Ottoman bureaucracy, run by the creditors: Its governing council included one representative each from B

Our Brand Is Crisis is a 2005 American documentary film by Rachel Boynton on American political campaign marketing tactics by Greenberg Carville Shrum (GCS) in the 2002 Bolivian presidential election. The election saw Gonzalo Sánchez de Lozada elected President of Bolivia, ahead of Evo Morales.

The following outline is provided as an overview of and topical guide to industrial organization:

Over-the-counter (OTC) or off-exchange trading or pink sheet trading is done directly between two parties, without the supervision of an exchange. It is contrasted with exchange trading, which occurs via exchanges. A stock exchange has the benefit of facilitating liquidity, providing transparency, and maintaining the current market price. In an OTC trade, the price is not necessarily pub

An overnight indexed swap (OIS) is an interest rate swap (IRS) over some given term, e.g. 10Y, where the periodic fixed payments are tied to a given fixed rate while the periodic floating payments are tied to a floating rate calculated from a daily compounded overnight rate over the floating coupon period. The OIS term is not overnight; it is the underlying reference rate that is an over

The overnight rate is generally the interest rate that large banks use to borrow and lend from one another in the overnight market. In some countries (the United States, for example), the overnight rate may be the rate targeted by the central bank to influence monetary policy. In most countries, the central bank is also a participant on the overnight lending market, and will lend or borr

P. F. Chang's China Bistro is an American casual dining restaurant chain founded in 1993 by Paul Fleming and Philip Chiang that serves Asian fusion cuisine. Centerbridge Partners owned and operated Chang’s until acquired by the private equity firm TriArtisan Capital Advisors on March 2, 2019. P. F. Chang's is headquartered in Scottsdale, Arizona.

The price-to-book ratio, or P/B ratio, (also PBR) is a financial ratio used to compare a company's current market value to its book value (where book value is the value of all assets minus liabilities owned by a company). The calculation can be performed in two ways, but the result should be the same. In the first way, the company's market capitalization can be divided by the company's t

Packaging is the science, art, and technology of enclosing or protecting products for distribution, storage, sale, and use. Packaging also refers to the process of designing, evaluating, and producing packages. Packaging can be described as a coordinated system of preparing goods for transport, warehousing, logistics, sale, and end use. Packaging contains, protects, preserves, transports

A pairs trade or pair trading is a market neutral trading strategy enabling traders to profit from virtually any market conditions: uptrend, downtrend, or sideways movement. This strategy is categorized as a statistical arbitrage and convergence trading strategy. Pair trading was pioneered by Gerry Bamberger and later led by Nunzio Tartaglia's quantitative group at Morgan Stanley in the

The Pakistan Stock Exchange (PSX), founded as Karachi Stock Exchange (KSE) in 1947, is a stock exchange based in Karachi, Pakistan. In January 2016, the Karachi Stock Exchange merged with the Lahore Stock Exchange and Islamabad Stock Exchange to form the PSX, aiming to reduce market fragmentation and attract strategic investment partnerships.

The Palais Brongniart (French pronunciation: [palɛ bʁɔ̃ɲaʁ]; English: Brongniart Palace) is a building in Paris that was built at the direction of Napoleon in the early 19th century to house the Paris stock exchange (French: Bourse de Paris). It is located at the Place de la Bourse, in the 2nd arrondissement in central Paris. It was named after its initial architect, Alexandre-Théodore B

Palantir Technologies Inc. ( PAL-ən-TEER) is an American publicly traded company that develops data integration and analytics software. Palantir is headquartered in Miami, Florida, and was founded in 2003 by Peter Thiel, Stephen Cohen, Joe Lonsdale, Alex Karp, and Nathan Gettings.

Palmer and Harvey plc (also known as P&H, formerly Palmer & Harvey McLane plc) was a UK-based wholesaler that serviced the multiples and convenience sectors.

The Panama Papers (Spanish: Papeles de Panamá) are 11.5 million leaked documents (2.6 terabytes of data) published from April 3, 2016. The papers detail financial and attorney–client information for more than 214,488 offshore entities. These documents, some dating back to the 1970s, were created by, and taken from, the former Panamanian offshore law firm and corporate service provider Mo

The Pandora Papers are 11.9 million leaked documents with 2.9 terabytes of data that the International Consortium of Investigative Journalists (ICIJ) published beginning on 3 October 2021. The leak exposed the secret offshore accounts of 35 world leaders, including current and former presidents, prime ministers, and heads of state as well as more than 100 business leaders, billionaires,

The Panic of 1792 was a financial credit crisis that occurred during the months of March and April 1792, precipitated by the expansion of credit by the newly formed Bank of the United States as well as by rampant speculation on the part of William Duer, Alexander Macomb, and other prominent bankers. Duer, Macomb, and their colleagues attempted to drive up prices of United States (U.S) de

Panic selling is a large-scale selling of an investment that causes a sharp decline in prices. Specifically, an investor wants to sell an investment with little regard to the price obtained. The sale is problematic because the investor is reacting to emotion and fear, rather than evaluating the fundamentals.

The Papal Mint is the pope's institute for the production of hard cash. Papal Mint also refers to the buildings in Avignon, Rome, and elsewhere that used to house the mint.

Paper wealth means financial assets or possessions as measured by their monetary value, as reflected in the price of assets – how much money one's assets could be sold for. Paper wealth is contrasted with real wealth, which refers to one's actual physical assets. For example, if one owns a house and its assessed value increases (relative to the general price level, i.e., assuming no infl

The Paris Bourse crash of 1882 was a stock market crash in France, and was the worst crisis in the French economy in the nineteenth century. The crash was triggered by the collapse of l'Union Générale in January. Around a quarter of the brokers on the bourse were on the brink of collapse. The closure of the exchange was prevented by a loan from the Banque de France which enabled suffic

Patch Media operates Patch.com, an American local news and information platform, based in Manhattan. It is primarily owned by Hale Global. Patch is operated by Planck, LLC, doing business as Patch Media.

Paul Alec Bilzerian (born 1950) is an American businessman and former corporate raider. For two years, while he owned a controlling stake, he was the chairman and CEO of Singer Corporation. In 1989, he was convicted on nine felony counts of federal crimes, including criminal conspiracy, making false statements, securities fraud, tax fraud, and securities law violations, and sentenced to

Paul Casimir Marcinkus (; January 15, 1922 – February 20, 2006) was an American Catholic prelate who served as president of the Institute for the Works of Religion, commonly known as the Vatican Bank, from 1971 to 1989. He also served as president of the Governorate for Vatican City State from 1989 to 1990, following eight years as vice-president. He was the titular Archbishop of Horta.

Monetary reform of 1991 (known also as Pavlov Reform) was the last such reform in the Soviet Union. The reform retired and confiscated large-denomination bills to attempt to dampen inflation and combat the black market within the Soviet Union. It began on January 22, 1991. Its architect was Minister of Finance Valentin Pavlov, who was to become the last prime minister of the Soviet Union

A pawnbroker is an individual who offers secured loans to people by taking items of personal property as collateral. A pawnbrokering entity is called a pawnshop or pawnbrokerage. While many items can be pawned, pawnshops typically accept jewelry, musical instruments, coins, gold, silver and firearms. Home-audio equipment, computers, video-game systems, televisions, cameras, and power t

The Pawnbrokers Act 1872 (35 & 36 Vict. c. 93) was an act of the Parliament of the United Kingdom that repealed, altered and consolidated all previous legislation relating pawnbroking in Great Britain.

Pay at the pump is a system used at many filling stations, where customers can pay for their fuel by inserting a credit card, debit card, or fuel card into a slot on the pump, bypassing the requirement to make the transaction with the station attendant or to walk away from one's vehicle. A few areas have gas stations that use electronic tolling transponders as a method of payment, such a

Pay-per-sale or PPS (sometimes referred to as cost-per-sale or CPS) is an online advertisement pricing system where the publisher or website owner is paid on the basis of the number of sales that are directly generated by an advertisement. It is a variant of the CPA (cost per action) model, where the advertiser pays the publisher and/or website owner in proportion to the number of action

Pay what you want (or PWYW, also referred to as value-for-value model) is a pricing strategy where buyers pay their desired amount for a given commodity. This amount can sometimes include zero. A minimum (floor) price may be set, and/or a suggested price may be indicated as guidance for the buyer. The buyer can select an amount higher or lower than the standard price for the commodity.

Pay-per-click (PPC) is an online advertising model in which advertisers pay a publisher—typically a search engine or website—each time a user clicks on an advertisement.

Paym ( PAY-əm) was a mobile payment system provided by banks and building societies in the United Kingdom. Recipients were identified by their mobile phone number instead of bank details such as sort code and account number.

His Majesty's Paymaster General or HM Paymaster General is a ministerial position in HM Treasury of the United Kingdom. The position is currently held by James Murray of the Labour Co-op Party.

A payment is the tender of something of value, such as money or its equivalent, by one party (such as a person or company) to another in exchange for goods or services provided by them, or to fulfill a legal obligation or philanthropy desire. The party making the payment is commonly called the payer, while the payee is the party receiving the payment. Whilst payments are often made volun

The Payment Card Industry Data Security Standard (PCI DSS) is a global data security standard that regulates how entities store, process, and transmit cardholder data (CHD) and/or sensitive authentication data (SAD). PCI DSS includes guidelines regarding components of organizations' technical and operational system that are related to such data. Cardholder Data refers to information inc

Payment for order flow (PFOF) is the compensation that a stockbroker receives from a market maker in exchange for the broker routing its clients' trades to that market maker. The market maker profits from the spread (the difference between purchase price and sale price) and rebates a portion of this profit to the routing broker as PFOF. Some of this benefit may be passed on to the retail

A payment terminal, also known as a point of sale (POS) terminal, card machine, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly"), is a device which interfaces with payment cards to make electronic funds transfers. The terminal typically consists of a secure keypad (called a PINpad) for entering PIN,

Canadian Payments Association, carrying on business under the brand name Payments Canada, is an organization that operates a payment clearing and settlement system in Canada. The Canadian Payments Association was established by the Canadian Payments Act in 1980. Among other responsibilities, it regulates and maintains directories of bank routing numbers in Canada.

PayPal Holdings, Inc. is an American multinational financial technology company operating an online payments system in the majority of countries that support online money transfers; it serves as an electronic alternative to traditional paper methods such as checks and money orders. The company operates as a payment processor for online vendors, auction sites and many other commercial and

Paysafe Limited (formerly known as Optimal Payments PLC) is a multinational online payments company. Paysafe offers payment processing, digital wallet and online cash systems to businesses and consumers, with particular experience of serving the global entertainment sectors. The group offers services both under the Paysafe brand and subsidiary brands that have become part of the group th

The PEG ratio (price/earnings to growth ratio) is a valuation metric for determining the relative trade-off between the price of a stock, the earnings generated per share (EPS), and the company's expected growth.

Penetration pricing is a pricing strategy especially appropriate for new product pricing, where the price of a product is initially set low to rapidly reach a wide fraction of the market and initiate word of mouth promotion. The strategy works on the expectation that customers will switch to the new brand because of the lower price. Penetration pricing is most commonly associated with ma

Mexico reformed its pension system in 1997, transforming it from a pay as you go (PAYG), defined benefit (DB) scheme to a fully funded, private and mandatory defined contribution (DC) scheme. The reform was modeled after the pension reforms in Chile in the early 1980s, and was a result of recommendations from the World Bank. On December 10, 2020, the Mexican pension system would again un

In economics, specifically general equilibrium theory, a perfect market, also known as an atomistic market, is defined by several idealizing conditions, collectively called perfect competition, or atomistic competition. In theoretical models where conditions of perfect competition hold, it has been demonstrated that a market will reach an equilibrium in which the quantity supplied for ev

A performance fee is a fee that a client account or an investment fund may be charged by the investment manager that manages its assets in addition to its management fee.

The Permanent Court of Arbitration (PCA) is an intergovernmental organization headquartered at the Peace Palace in The Hague, Netherlands, which was built to house the PCA.

In finance, perpetual futures, also known as perpetual swaps or colloquially as perps, are contract agreements to non-optionally buy or sell an asset at an unspecified point in the future. Perpetual futures are cash-settled, and they differ from regular futures in that they lack a pre-specified delivery date and can thus be held indefinitely without the need to roll over contracts as the

Pershing Square Capital Management (Pershing Square) is an American hedge fund based in New York City. It specializes in activist investments, using influence over company management through the purchase of shares and by exerting pressure on management. Pershing Square was founded on January 1, 2004, by Bill Ackman, a hedge fund manager who was a co-founder of the investment firm Gotham

A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system.

Personal income is an individual's total earnings from wages, investment interest, and other sources. The Bureau of Labor Statistics reported that median usual weekly earnings for full-time wage and salary workers were $1,251 in the second quarter of 2026, not seasonally adjusted, 4.6 percent higher than a year earlier. For the year 2024, the U.S. Census Bureau estimates that the median

The Personal Property Security Act ("PPSA") is the name given to each of the statutes passed by all common law provinces, as well as the territories, of Canada that regulate the creation and registration of security interests in all personal property within their respective jurisdictions.

Throughout modern history a variety of perspectives on capitalism have evolved based on different schools of thought.

Peter George Peterson (June 5, 1926 – March 20, 2018) was an American investment banker who served as United States Secretary of Commerce from 1972 to 1973 during the administration of President Richard Nixon. Peterson was also chairman and CEO of Bell & Howell from 1963 to 1971. From 1973 to 1984, he was chairman and CEO of Lehman Brothers. In 1985, he co-founded the private equity firm

Peter David Schiff (; born March 23, 1963; nicknamed "Dr. Doom") is an American stockbroker, financial commentator, and radio personality. He co-founded Echelon Wealth Partners in Canada (formerly Euro Pacific Canada). He is involved in other financial services companies including Euro Pacific Asset Management, as an independent investment advisor, and Schiff Gold (formerly Euro Pacific

Peter Andreas Thiel ( ; born 11 October 1967) is a German-American entrepreneur, venture capitalist, and conservative political activist. A co-founder of PayPal, Palantir Technologies and Founders Fund, he was also the first outside investor in Facebook. As of October 2026, Forbes estimated Thiel's net worth at US$37.7 billion.

Philatelic investment is investment in collectible postage stamps for the purpose of realizing a profit. Philatelic investment was popular during the 1970s but then fell out of favour following a speculative bubble and prices of rare stamps took many years to recover.

Phillip David Cagan (April 30, 1927 – June 15, 2012) was an American scholar and author. He was Professor of Economics Emeritus at Columbia University.

Phones 4u was a British mobile phone retailer based in the United Kingdom. The company was founded in 1996 and was one of the largest mobile phone retailers in the UK before it ceased operations and filed for administration on 15 September 2014. Since then, the company has been under the control of its administrators, PwC.

A photo agency is a business that represents and contracts independent photographers in supplying news outlets and print and screen publications. They are agents for the photographer. Increasingly in the twenty-first century, with the proliferation of digitisation and of imagery from digital devices, aside from their main business, photo agencies may also provide stock images from their

Piaggio Group ([ˈpjaddʒo]) is an Italian motor vehicle manufacturer, which produces a range of two-wheeled motor vehicles and compact commercial vehicles under five brands: Piaggio, Vespa, Aprilia, Moto Guzzi and Derbi. Its corporate headquarters are located in Pontedera, Italy. The company was founded by Rinaldo Piaggio in 1884, initially producing locomotives and railway carriages.

Pierre de Murat de Cros, O.S.B., (c. 1320 – 1388) was a French monk of aristocratic origins who became a cardinal of the Avignon Obedience during the Great Schism, as well as the Archbishop of Arles and the Chamberlain of the Apostolic Camera (Latin: Camerarius Apostolicus). Refusing from the day of his election to support Bartolomeo Prignano (Pope Urban VI, the former head of the rival

Piggly Wiggly, LLC is an American supermarket chain operating in the American Southern and Midwestern regions. Its first outlet opened in 1916 in Memphis, Tennessee, and was the first true self-service grocery store, and the originator of various familiar supermarket features, such as checkout stands and individual item price marking.

Pin risk occurs when the market price of the underlier of an option contract at the time of the contract's expiration is close to the option's strike price. In this situation, the underlier is said to have pinned. The risk to the writer (seller) of the option is that they cannot predict with certainty whether the option will be exercised or not. So the writer cannot hedge their position

Pine Labs is an Indian multinational Financial Technology company headquartered in Noida, Uttar Pradesh, that provides point of sale (POS) systems and payment systems. Founded in 1998, it facilitates digital payments through Android-based POS machines that are primarily used by retailers in India, UAE, and Malaysia.

A pitch book, also called a confidential information memorandum, is a marketing presentation (information layout) used by investment banks, entrepreneurs, corporate finance firms, business brokers and other M&A intermediaries advising on the sale or disposal of the shares or assets of a business. It consists of a careful arrangement and analysis of the investment considerations of the cl

PizzaExpress (Restaurants) Limited, trading as PizzaExpress (also called Pizza Marzano or Milano), is a British multinational pizza restaurant chain based in Uxbridge, England. It also ran the brand Za between 2019 and 2023.

Place branding (includes place marketing and place promotion) is a term based on the idea that "cities and regions can be branded," whereby branding techniques and other marketing strategies are applied to "the economic, political and cultural development of cities, regions and countries." As opposed to the branding of products and services, place branding is more multidimensional in nat

Planet Money is an American podcast and blog produced by NPR that explains economic topics in a way that is aimed at a broad audience. Alex Blumberg and Adam Davidson created the podcast in the early days of the 2008 financial crisis. Episodes are generally 30 minutes or less stand-alone explorations of a specific concept, though the podcast has also released several series following spe

In economics and industrial design, planned obsolescence (also called built-in obsolescence or premature obsolescence) is the concept of policies planning or designing a product with an artificially limited useful life or a purposely frail design, so that it becomes obsolete after a certain predetermined period of time upon which it decrementally functions or suddenly ceases to function,

A platform cooperative, or platform co-op, is a cooperatively owned, democratically governed business that establishes a two-sided market via a computing platform, website, mobile app or a protocol to facilitate the sale of goods and services. Platform cooperatives are an alternative to venture capital-funded platforms insofar as they are owned and governed by those who depend on them mo

The point of sale (POS), or point of purchase (POP), is the time and place at which a retail transaction is completed. At the point of sale, the merchant calculates the amount owed by the customer, indicates that amount, may prepare an invoice for the customer (which may be a cash register printout), and indicates the options for the customer to make payment. It is also the point at wh

A point-of-sale display (POS display) is a specialised form of sales promotion that is found near, on, or next to a checkout counter (the "point of sale"). They are intended to draw the customers' attention to products, which may be new products, or on special offer, and are also used to promote special events, e.g. seasonal or holiday-time sales. POS displays can include free standing d

Point-of-sale malware (POS malware) is usually a type of malicious software (malware) that is used by cybercriminals to target point of sale (POS) and payment terminals with the intent to obtain credit card and debit card information, a card's track 1 or track 2 data and even the CVV code, by various man-in-the-middle attacks, that is the interception of the processing at the retail chec

Chaim "Poju" Zabludowicz (born 6 April 1953) is a Finnish-British-Israeli billionaire businessman, art collector and philanthropist.

Political interpretations of The Wonderful Wizard of Oz include treatments of the modern fairy tale (written by L. Frank Baum and first published in 1900) as an allegory or metaphor for the political, economic, and social events of America in the 1890s. Scholars have examined four quite different versions of Oz: the novel of 1900, the Broadway play of 1902, the Hollywood film of 1939, an

Polymarket is an American cryptocurrency-based prediction market which offers a platform where individuals can place bets on future outcomes, including sports matches, economic indicators, weather patterns, awards, political and legislative outcomes, and military conflicts. Participants can deposit cryptocurrency through the Polygon blockchain network and trade shares that represent the

Pontage was a toll levied for the building or repair of bridges dating to the medieval era in England, Wales and Ireland.

In finance, a position is the amount of a particular security, commodity or currency held or owned by a person or entity.

Post Danmark A/S, trading as PostNord Denmark (Danish: PostNord Danmark), was the national provider of postal services in Denmark. It was established as a fully state-owned stock holder's company in 1995 following political liberalization efforts. Post Danmark had taken over the mail delivery concession (Danish: befordringspligt) of its predecessor, the governmental department Postvæsene

The post-2008 Irish banking crisis occurred when a number of Irish financial institutions faced almost imminent collapse due to insolvency during the Great Recession. In response, the Irish government instigated a €64 billion bank bailout. This then led to a number of unexpected revelations about the business affairs of some banks and business people. Ultimately, added onto the deepening

In banking, a post-dated cheque is a cheque written by the drawer (payer) for a date in the future.

Simply stated, post-modern portfolio theory (PMPT) is an extension of the traditional modern portfolio theory (MPT) of Markowitz and Sharpe. Both theories provide analytical methods for rational investors to use diversification to optimize their investment portfolios. The essential difference between PMPT and MPT is that PMPT emphasizes the return that must be earned on an investment in

The post-PC era was a market trend observed during the 2010s involving a decline in the sales of personal computers (PCs) in favor of post-PC devices, which include mobile devices such as smartphones and tablet computers as well as other mobile computers such as wearable and ubiquitous ones. These devices emphasize portability and connectivity, including the use of cloud-based services,

The post–World War II economic expansion, also known as the postwar economic boom or the Golden Age of Capitalism was a broad period of worldwide economic expansion beginning with the aftermath of World War II and ending with the 1973–1975 recession. The United States, the Soviet Union, Australia and Western European and East Asian countries in particular experienced unusually high and s

Postepay is an Italian company that offers a prepaid card service, launched at the end of 2003 and still marketed by Poste Italiane, which can be used anywhere in Italy (ATM and POS of the Postamat and Visa Electron circuits) and abroad (ATM and POS of the Visa/Visa Electron circuit), on the Internet (in sites that accept Visa and Visa Electron cards) and in all Italian post offices thro