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A stock market, equity market, or share market is the aggregation of buyers and sellers of stocks (also called shares), which represent ownership claims on businesses; these may include securities listed on a public stock exchange as well as stock that is only traded privately, such as shares of private companies that are sold to investors ...
In a discrete (i.e. finite state) market, the following hold: [2] The First Fundamental Theorem of Asset Pricing: A discrete market on a discrete probability space (,,) is arbitrage-free if, and only if, there exists at least one risk neutral probability measure that is equivalent to the original probability measure, P.
In economics, a complete market (aka Arrow-Debreu market [1] or complete system of markets) is a market with two conditions: Negligible transaction costs [ 1 ] and therefore also perfect information ,
Second, because the price of a share at every given moment is an "efficient" reflection of expected value, then—relative to the curve of expected return—prices will tend to follow a random walk, determined by the emergence of information (randomly) over time. Professional equity investors therefore immerse themselves in the flow of ...
The New York Stock Exchange in Lower Manhattan is the world's largest stock exchange per total market capitalization of its listed companies. [1]A stock exchange, securities exchange, or bourse is an exchange where stockbrokers and traders can buy and sell securities, such as shares of stock, bonds and other financial instruments.
Widow-and-orphan stock: a stock that reliably provides a regular dividend while also yielding a slow but steady rise in market value over the long term. [13] Witching hour: the last hour of stock trading between 3 pm (when the bond market closes) and 4 pm EST (when the stock market closes), which can be characterized by higher-than-average ...
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Linearized PDF files (also called "optimized" or "web optimized" PDF files) are constructed in a manner that enables them to be read in a Web browser plugin without waiting for the entire file to download, since all objects required for the first page to display are optimally organized at the start of the file. [26]