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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Securities & exchanges

Value investing

Value investing is an investment paradigm that involves buying securities that appear underpriced by some form of fundamental analysis. Modern value investing derives from the investment philosophy taught by Benjamin Graham and David Dodd at Columbia Business School starting in 1928 and subsequently developed in their 1934 text Security Analysis.

Trading basics

Venture capital

Venture capital (VC) is a form of private equity financing provided by firms or funds to startup, early-stage, and emerging companies, that have been deemed to have high growth potential or that have demonstrated high growth in terms of number of employees, annual revenue, scale of operations, etc. Venture capital firms or funds invest in these early-stage companies in exchange for equit

Trading basics

Vertrue

Vertrue Incorporated, headquartered in Norwalk, Connecticut, is an American consumer services marketing company. The company again received an "F" from the Better Business Bureau for making unauthorized charges to its customers' credit cards. In 2007 it was acquired by a trio of investment firms, including Rho Ventures. In 2010, Vertrue and two of its subsidiaries were found guilty of d

Trading basics

Victor Posner

Victor Posner (September 18, 1918 – February 11, 2002) was an American businessman. He was one of the highest-paid business executives of his generation. He was a pioneer of the leveraged buyout and became notorious for asset stripping.

Finance

Volatility (finance)

In finance, volatility (usually denoted by "σ") is the degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns.

Trading basics

War profiteering

A war profiteer is any individual or organization that earns excessive or unethical profit from warfare or by selling weapons, supplies, or services to parties engaged in conflict. The term typically carries strong negative connotations and is often associated with exploitation during times of national crisis. More broadly profiteering, making a profit, criticized as excessive or unreaso

Trading basics

Washington Mutual

Washington Mutual, Inc (often abbreviated to WaMu) was an American savings bank holding company based in Seattle. It was the parent company of Washington Mutual Bank, which was the largest savings and loan association in the United States until its collapse in 2008.

Finance

Wealth Lab

Wealth Labs (WABS) is a electronic trading platform originally developed by Dion Kurczek, Brett Corrigan, and Aristotle Varner and released in 2000. The software was acquired by Fidelity Investments in 2004 and made available as Wealth-Lab Pro for Fidelity customers (discontinued in August 2021). As a trading platform, users can develop and deploy automatic trading strategies for various

Finance

Wealthsimple

Wealthsimple Inc. is a Canadian online investment management service. The firm was founded in September 2014 by Michael Katchen, Brett Huneycutt, and Rudy Adler and is based in Toronto. As of October 22, 2025, the firm holds over C$100 billion in assets under administration. It is primarily owned by Power Corporation, which holds a 52.4% undiluted stake aggregated through three entities:

Trading basics

White paper

A white paper is an informative report that explains a complex issue and presents the sponsor's philosophy on the matter. These documents are meant to help readers understand an issue, solve a problem, or make a decision.

Securities & exchanges

Wiener Börse

The Wiener Börse AG (also known as the Vienna Stock Exchange) is a bourse situated in Vienna, Austria. The exchange owns and operates the Prague Stock Exchange, and holds stakes in energy exchanges and clearing houses. It provides market infrastructure to other exchanges in Central, Eastern, and Southeastern Europe (Budapest, Zagreb, and Ljubljana), and collects and distributes stock mar

Trading basics

Wife selling

Wife selling is the practice of a husband selling his wife and may include the sale of a female by a party outside a marriage. Wife selling has had numerous purposes throughout the practice's history; and the term "wife sale" is not defined in all sources relating to the topic.

Finance

Willow Wealth

Willow Wealth Inc. (formerly Yieldstreet) is an American financial technology company headquartered in New York City that operates an online platform for alternative investments. The platform enables accredited investors and retail investors to access private market asset classes including real estate, private credit, private equity, art, and legal finance. As of 2025, the platform repor

Fiat currencies

Window guidance

Window guidance (Japanese: 窓口指導) or informal guidance, is an informal policy instrument used to regulate the supply of credit in a specific industry or sector. Window guidance typically involves the use of benevolent compulsion in order to regulate the supply of credit as a way to achieve policy targets such as sustainability. Window guidance involves the use of monetary policy instrumen

Trading basics

Wise Guys (1986 film)

Wise Guys is a 1986 American black comedy crime film directed by Brian De Palma and produced by Aaron Russo from a screenplay written by George Gallo and Norman Steinberg. It stars Danny DeVito and Joe Piscopo as Harry Valentini and Moe Dickstein, two small-time mobsters from Newark, New Jersey, and features Harvey Keitel, Ray Sharkey, Lou Albano, Dan Hedaya and Frank Vincent.

Trading basics

Wolseley UK

Wolseley UK Limited, headquartered in Warwick, is a distributor of building materials and is the largest trade specialist in plumbing and heating in the UK. It is owned by Clayton, Dubilier & Rice, a private equity firm.

Payments & settlement

Worldpay Group

Worldpay Group plc (formerly RBS WorldPay) was a payment processing company. It was formerly listed on the London Stock Exchange until 16 January 2018 when it was acquired by Vantiv. The combined company then took the name Worldpay, Inc. Worldpay, Inc. was acquired by FIS in July 2019 for $43 billion. In 2024, private-equity firm GTCR acquired a majority 55% equity interest in Worldpay.

Trading basics

Worshipful Company of Marketors

The Worshipful Company of Marketors is one of the 114 livery companies of the City of London. The company was founded in 1975.

Trading basics

Xometry

Xometry (formerly, NextLine Manufacturing Corp.) is an online marketplace for sourcing on-demand manufactured parts for prototyping and large-scale production.

Banking

You Can't Take It with You (film)

You Can't Take It with You is a 1938 American screwball romantic comedy film directed by Frank Capra, and starring Jean Arthur, Lionel Barrymore, James Stewart, and Edward Arnold. Adapted by Robert Riskin from the Pulitzer Prize-winning 1936 play of the same name by George S. Kaufman and Moss Hart, the film is about a man from a family of rich snobs who becomes engaged to a woman from a

Finance

Youth unemployment

Youth unemployment refers to the proportion of the labor force aged 15–24 who do not have a job but are seeking employment. Young adult unemployment refers to unemployment among ages 25–34.

Securities & exchanges

Zagreb Stock Exchange

The Zagreb Stock Exchange or ZSE (Croatian: Zagrebačka burza, pronounced [zǎːɡrebatʃkaː bûrza]) is a stock exchange located in Zagreb, Croatia. It is Croatia's only stock exchange. The exchange trades shares of Croatian companies, as well as bonds and commercial bills.

Trading basics

Zammad

Zammad is a free helpdesk or issue tracking system. It offers the connection of various channels like email, chat, telephone, Twitter, or Facebook. Zammad is developed in the programming languages Ruby and JavaScript. The name Zammad comes from the Bavarian language and means "together".

Trading basics

Zero interest-rate policy

Zero interest-rate policy (ZIRP) is a macroeconomic concept describing conditions with a very low nominal interest rate, such as those in contemporary Japan and in the United States from December 2008 through December 2015 and again from March 2020 until March 2022 amid the COVID-19 pandemic. ZIRP is considered to be an unconventional monetary policy instrument and can be associated with

Banking

Zombie bank

A zombie bank is a financial institution that has an economic net worth of less than zero but continues to operate because its ability to repay its debts is shored up by implicit or explicit government credit support.