The Nasdaq Composite is an often-cited stock market index — along with the S&P 500 and the Dow Jones Industrial Average — ...

Nasdaq Composite includes only Nasdaq-listed common stocks, impacting its tech-heavy nature. It's market-cap weighted, where larger companies notably influence the index's performance. Investing ...

The third oldest stock exchange in the United States being founded in 1834. Now known as NASDAQ OMX BX, it was previously known as BSE. NASDAQ OMX acquired the BSE in 2007.