US stock markets today: US stocks dip after weaker-than-expected GDP, higher inflation data

Investors were also watching for a possible U.S. Supreme Court ruling on President Donald Trump's tariffs that could be handed down at 10:00 a.m. ‌ET. If they ⁠are struck ⁠down, there is a risk that more than $175 billion in U.S. tariff collections will need to be refunded, according to Penn-Wharton Budget Model economists.Meanwhile, U.S. economic growth slowed more than expected in the fourth quarter amid disruptions from last year's record government shutdown and moderating consumer spending. The gross d ...