The S&P 500 fell 0.50% and Nasdaq dropped 1.47% as semiconductor stocks slid 3.5%, overpowering strong earnings from TSMC and UnitedHealth Group.

The Dow, S&P 500, and Nasdaq posted gains in the final trading hour on July 13 despite a semiconductor selloff triggered by SK Hynix's sharp decline.

U.S. stocks slipped as chipmakers dragged the Nasdaq and S&P 500 lower despite solid economic data and strong earnings expectations. Semiconductor weakness offset gains in…