The New York Stock Exchange is a US stock exchange in the US. It’s the world largest stock exchange by market capitalization of its listed companies at $13.39 trillion as of December 2010.
The NYSE Composite Index is made up of issues from more than 1,900 companies including more than 1,500 U.S. companies and over 330 non-U.S. companies
Learn more about the NYSE in this PDF from the exchange itself.
Official Webiste: New York Stock Exchange












