U.S. Stocks End Mostly Higher; Nasdaq Falls For Fourth Day

U.S. stocks closed marginally higher on Tuesday, as gains in the energy and materials were offset by losses in the tech, healthcare and consumer staples sectors. Investors remained cautious ahead of several prominent tech earnings after the bell, including Apple Inc's , as well as the Federal Reserve's policy meeting, slated to end on Wednesday. The S&P 500 ended up 3.91 points, or 0.2%, to 2,091.70. The Dow Jones Industrial Average added 13.08 points, or less than 0.1%, to 17,990.32. Meanwhile, the Nasdaq Composite finished 7.48 points, or 0.2%, lower, at 4,888.31. The tech-heavy index closed down for a fourth straight session.