NASDAQ Stock Index
The NASDAQ, is an American stock exchange. "NASDAQ" originally stood for "National Association of Securities Dealers Automated Quotations" .It is the largest electronic screen-based equity securities trading market in the United States and fourth largest by market capitalization in the world
The Nasdaq Composite is a stock market index of the common stocks and similar securities (e.g. ADRs, tracking stocks, limited partnership interests) listed on the NASDAQ stock market. Since both U.S. and non-U.S. companies are listed on the NASDAQ stock market, the index is not exclusively a U.S. index.