Stock Market Sectors: 11 Official GICS Groups

Also commonly referred to as the "tech sector," the information technology sector encompasses companies across various categories of technological innovation.

Some companies in information technology focus on creating software or providing services to implement technological solutions, such as cybersecurity, while others are more involved in building the equipment, components, and hardware that make tech possible.

Information technology also includes semiconductor manufacturers and the equipment used to produce semiconductor chips.

Apple (AAPL +0.81%) and Nvidia (NVDA -0.85%) are at the top of the list of large U.S. stocks in the information technology sector.