NASDAQ is the largest U.S. electronic stock market. With
approximately 3,300 companies, it lists more companies and, on average,
trades more shares per day than any other U.S. market. It is home to category-defining
companies that are leaders across all areas of business including technology,
retail, communications, financial services, transportation, media and
biotechnology. NASDAQ is the primary market for trading NASDAQ-listed
stocks. Approximately 54% of NASDAQ-listed shares traded are reported
to NASDAQ systems.