Nasdaq 100 is an index composed of the 100 largest, most actively traded U.S companies listed on the Nasdaq stock exchange. This index includes companies from a broad range of industries with the exception of those that operate in the financial industry, such as banks and investment companies and includes companies incorporated outside the United States. The Index reflects companies across major industry groups including computer hardware and software, telecommunications, retail/wholesale trade and biotechnology.
The NASDAQ-100 began on January 31, 1985 by the NASDAQ, trying to promote itself in the shadow of the New York Stock Exchange
The all-time highs for the index, set at the height of the Dot-Com Bubble in 2000, stand above the 4,700 level
The NASDAQ-100 is often abbreviated as NDX in the derivatives markets. Its corresponding futures contracts are traded on the Chicago Mercantile Exchange (CME)
Top five companies with the largest weight in the Index are Apple with over 20%, Microsoft, Google, Qualcomm with and Oracle with 2.8%.