After initially calming markets, the excitement around the Federal Reserve's comments on tariffs and rates seemed to fizzle out as stock futures fell in premarket trading Thursday U.S. stock markets n

U.S. stock futures are pointing to a lower open after the Federal Reserve on Wednesday indicated two more rate cuts this year.

U.S. stock index futures reversed early gains on Thursday, as worries about the fallout of U.S. tariff policies crept back into markets a day after the Federal Reserve stuck to its monetary easing plans for the year but warned of an uncertain economic backdrop.