The first reactions to President Trump's threats of steep tariffs from next month. We'll hear how businesses in Japan and Bangladesh are preparing. The reaction to President Trump's letters promising steep tariffs from next month.

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,