S&P 500 companies lost a combined $2.4 trillion in stock market value in Thursday's selloff, their biggest one-day loss since the pandemic sent global markets into a tailspin on March 16, 2020.

U.S. stocks fell a day after posting spectacular gains over President Trump's decision to pause many of his tariffs. Now, some of that relief is starting to fade.

U.S. stocks soared to one of their best days in history on a euphoric Wall Street Wednesday after President Donald Trump said he would back off on most of his tariffs temporarily, as investors had so desperately hoped he would.