Follow all the latest U.S. market action for Thursday as Walmart shares slide and the S&P 500 retreats after tallying back-to-back record highs.

U.S. stocks finished with losses Thursday, with the S&P 500 (SP500) pulling back from a record high, in part as investors balked at Walmart's (WMT) soft financial outlook. The outlook from the retail behemoth arrived at a time of uncertainty about the impact of tariffs on the U.