Fears about the artificial intelligence boom turning into an overblown bubble have diminished for now, thanks to a stellar earnings report from Nvidia.

U.S. stock indexes edged lower following another reminder that big, unsettling policy changes are underway because of President Donald Trump, along with more signals suggesting the U.S. economy remains solid for now.

U.S. stocks climbed after the Federal Reserve said the economy still looks healthy enough to keep interest rates where they are.