|1.||Also called: stock market|
|a. a highly organized market facilitating the purchase and sale of securities and operated by professional stockbrokers and market makers according to fixed rules|
|b. a place where securities are regularly traded|
|c. (as modifier): a stock-exchange operator; stock-exchange prices|
|2.||the prices or trading activity of a stock exchange: the stock exchange fell heavily today|
Note: In the United States, the two largest stock exchanges are the New York Stock Exchange and NASDAQ. Activity on these two exchanges is usually considered an indication of the state of the economy as a whole.