The Nasdaq 100 Index is a group of the 100 largest and most active U.S. non-financial corporations listed on the Nasdaq stock exchange. Due to the large presence of technology companies in its holdings, such as Apple, Nvidia, Microsoft, the Nasdaq 100 is also known as tech-heavy index. Beside the technology sector, a number of different industries, including retail, biotechnology, industrial, and health care are represented in the index.