stock market

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A stock exchange.
• noun The market in which stocks are bought and sold, usually including the organized exchanges and over-the-counter markets in a particular country or economic region.
• noun The buyers and sellers of stocks.
• noun The business transacted in such a market.
• noun The price or value of the stocks trading in a market.

from The Century Dictionary.

• noun A market where stocks are bought and sold; a stock-exchange.
• noun The purchase and sale of stocks or shares: as, the stock-market was dull.
• noun A cattle-market.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A market for the trading of company stock.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an exchange where security trading is conducted by professional stockbrokers