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.

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.

President Donald Trump warned the US economy may slow if the Federal Reserve does not move to immediately reduce interest rates, in his latest broadside against Fed Chair Jerome Powell.