US stocks and the dollar tumbled Monday as investors assessed continued tariff uncertainty and the implications of President Donald Trump’s ongoing mission to try and oust Federal Reserve Chair Jerome Powell.

The dollar tumbled to its lowest level in more than three years on Monday, as President Donald Trump's attacks on Federal Reserve Chair Jerome Powell sparked concern that the White House could try to meddle with the central bank's monetary policy decisions.

The U.S. dollar hit its weakest level since 2022. Read why the escalating uncertainty around Fed independence and monetary policy is a major factor.

The dollar tumbled on Monday as investor confidence in the U.S. economy took another hit over President Donald Trump's plans to shake up the Federal Reserve, which would throw into question the independence of the central bank.