The largest stock exchange in the world is the NYSE. The New York Stock Exchange (NYSE) has a 26 trillion dollar market cap with and over 2,000+ individual companies listed on it. Stock exchanges are marketplaces where investors buy and sell securities, this includes the trading of stocks, bonds, derivatives, commodities, and other financial instruments. Stock market volume is a most powerful measurement for economic health of a country. We cover the top 10 stock markets by market capitalization using dollar volume.