U.S. stock index futures fell into negative territory ahead of Monday's open, as the trade war between the U.S. and China escalated with further tariffs.
Around 4:40 a.m. ET, Dow futures slipped 29 points, indicating a negative open of -48.50 points. Futures on the S&P 500 were lower, indicating a downbeat open of -5.52 points, while Nasdaq futures dropped, signaling an open of 35.07 points down.
The moves in pre-market trade come after the Dow Jones Industrial Average and S&P 500 hit record highs during the previous session on Friday.