A top Federal Reserve official said Friday that massive uncertainty created by President Donald Trump's tariffs has caused some businesses to cut back on hiring and spending, threatening to slow the economy,

Key Takeaways The Federal Reserve kept the central bank's key interest rate in a range of 4.25% to 4.5%, the same as it's been since December.The Fed has been waiting to see how President Donald Trump's tariffs affect the economy before making any moves.