The dollar tumbled on Monday to its lowest level in three years as investor confidence in the U.S. economy took another hit over President Donald Trump's attacks on the Federal Reserve chairman, potentially putting the central bank's independence under threat.

The president amps up attack against US central bank boss calling him "a major loser" for not lowering interest rates.

The value of the U.S. dollar sank to its lowest point in three years Monday after Donald Trump went on the offensive again, hitting out at the chair of the Federal Reserve. In a post on Truth Social,