The stock market is a place where various financing companies are responsible(Public Limited Company) who are buying shares sold at the stock exchanges. This is also called capital market. A stock market or equity market is a public entity (a loose network of financial transactions, a physical facility or abstract entity) for trading of stocks (shares) and derivatives at an agreed price; This is a listed securities listed on the Stock Exchange as well as those who are privately owned by the business. World stock market size was estimated at approximately $ 36.6 trillion at the beginning of October 2008. [1] The total world derivatives market has been estimated to be around $ 791 trillion face or nominal value, [2] 11 times the full size world economy. [3] Derivatives, market value, are stated in terms of conceptual values, because it directly traditionally refers to a real value that can not be compared to a stock or a fixed income security. In addition, Most of the derivatives 'offend' find each other (ie, on a event incident, a derivative 'lost' event is offset by a comparable derivative 'defeat' phenomenon). Many of the models identified are relatively valuable, such as relatively liquid securities, rather than an actual market value. Stocks listed and stock together with the list of stocks and securities are based on stock exchanges which entities trading and vendor business entities in a corporation or mutual organization. The largest stock market in the United States is by the New York Stock Exchange (NYSE), by market capitalization. In Canada, the largest stock market is Toronto Stock Exchange. The main European examples of stock exchanges include the Amsterdam Stock Exchange, London Stock Exchange, Paris Foreign Exchange, and Deutsche Borse (Frank Stock Exchange). Africa, eg Nigerian Stock Exchange, JSE Limited, Etc. Asian examples include Philippine Stock Exchange, Singapore Exchange, Tokyo Stock Exchange, Hong Kong Stock Exchange, Shanghai Stock Exchange, and Bombay Stock Exchange. There are such exchanges in Latin America, BM and fruit Bovespa and BMV. Australia has a national stock exchange, Australian Securities Exchange, due to its population size. Market participants include individual retail investors, institutional investors such as mutual funds, banks, insurance companies and hedge funds, and their own share exchange also publicly includes business corporations. Some researchers suggested that institutional investors and their own share corporation trading would generally get higher risk-adjusted returns than retail investors. Trade: Big hedge fund traders who can be based anywhere in the world from small individual stock investors, you are participating in stock market range. Their orders usually end with a professional on a stock exchange, who executes the purchase or sale order