Since taking office, Mr. Trump has raced to enact his economic vision, aiming to pair generous tax cuts with sweeping deregulation that he says will expand America’s economy. He has fashioned his steep, worldwide tariffs as a political cudgel that will raise money, encourage more domestic manufacturing and improve U.S. trade relationships.

President Donald Trump created more panic on Wall Street when, on Friday, May 23, he proposed steep tariffs of 25 percent on Apple products using foreign parts and 50 percent on products from the European Union (EU).

U.S. President Donald Trump's tariff decisions since he took office on January 20 have shocked financial markets and sent a wave of uncertainty through the global economy. Here is a timeline of the major developments: February 1 - Trump imposes 25% tariffs on Mexican and most Canadian imports and 10% on goods from China,