The information technology sector covers companies involved in the different categories of technological innovation. Some companies in information technology focus on creating software or providing services related to implementing technological solutions, while others are more involved in building the equipment, components, and hardware that make tech possible. Information technology also includes makers of semiconductors and the’’ equipment used to produce semiconductor chips.

Apple (NASDAQ:AAPL) and Microsoft (NASDAQ:MSFT) have been switching places back and forth at the top of the list of large U.S. stocks in the information technology sector.