Wonder why President Donald Trump is attacking the Federal Reserve chairman and demanding lower interest rates now? Well, lots of Wall Street forecasters are convinced the U.S. economy is headed for big trouble due to the trade wars.

The U.S. economy could slow unless interest rates are lowered immediately, President Donald Trump said on Monday, repeating his criticism of Federal Reserve Chair Jerome Powell, who says rates should not be lowered until it is clearer Trump's tariff plans won't lead to a persistent surge in inflation.

The dollar renewed its slide against foreign currencies early Monday after markets digested threats by Trump last week to exert greater control over U.S. monetary policy if the Fe