Trump also said he would soon announce tariffs “at a very, very high rate, like 200%,” on pharmaceutical imports.

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,