Nasdaq-100 (NDX)[1] is a stock market index made up of equity securities issued by 100 of the largest non-financial companies listed on the Nasdaq stock exchange. It is a modified capitalization-weighted index. The stocks' weights in the index are based on their market capitalizations, with certain rules capping the influence of the largest components. It is limited to companies from a single exchange, and it does not have any financial companies. The financial companies are in a separate index, the Nasdaq Financial-100.
History
The Nasdaq-100 was launched on January 31, 1985, by the Nasdaq.[2] It created two indices: the Nasdaq-100, which consists of industrial, technology, retail, telecommunication, biotechnology, health care, transportation, media and service companies, and the Nasdaq Financial-100, which consists of