Fed Chair Jerome Powell said the economy is solid — and that it's also too early to tell how tariffs will affect it.

As was widely expected, Fed policymakers on Wednesday left the central bank's overnight rate unchanged at a range of 4.25% to 4.5%.

President Donald Trump’s relentless calls for dramatic reductions in interest rates, along with his ability to make changes to the Federal Reserve’s leadership, is drawing more attention to the way monetary policy decisions are made — and the people who make them.