Stocks were jittery on Thursday as uncertainty lingers over President Donald Trump's plans for tariffs, while tech stocks digested recent gains on the White House's artificial-intelligence ambitions.
S&P 500 futures are up 0.5%. Dow Jones Industrial Average futures are adding 0.4%. Nasdaq 100 futures are gaining 0.5%. On Friday, the Dow Jones Industrial Average rose 335 points, or 0.78%, to 43,488 ...