Precipitous and rapid decline (that may persist for months or years) in the prices of shares traded on a stock exchange, caused by panic selling.

A method of measuring the value of a section of the stock market. It is computed from the prices of selected stocks (sometimes a weighted

Stock market value is the value of a stock or index of a market. Measurement of the value of stock/index can be made in various

A stock market may be a physical place, sometimes known as a stock exchange, where brokers gather to buy and sell stocks and other securities.

An individual or institution (including a corporation) that legally owns a share of stock in a public or private corporation. (source: en.wikipedia.org )

Rate at which one currency may be converted into another. (source: http://www.investorwords.com/1806/exchange_rate.html#ixzz2ivVQWPJU)

The last price at which a security or commodity traded, meaning the most recent price on which a buyer and seller agreed and at which

A commercial document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services the seller will provide to

An option contract that gives the holder the right to sell a certain quantity of an underlying security to the writer of the option, at