Wall Street inched lower Friday as uncertainties brought by U.S. President Donald Trump’s latest tariffs lingered, threatening to upend markets' bid for a positive week. Futures for the S&P 500 lost 0.

Drops for Nvidia, Tesla and other former superstars dragged Wall Street lower on Wednesday. The S&P 500 sank 1.1% to break what had been a run of calmer trading. The Dow Jones Industrial Average swung from a gain of 230 points in the morning to a loss of 132 points,

U.S. stocks are falling following discouraging updates on inflation and how much U.S. households may be willing to spend