U.S. President Donald Trump's tariff decisions since he took office in January 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,

Soybean prices fell back below $10 a bushel, as traders saw news of an extended US-China trade truce as likely delaying major grain-purchasing deals between the nations until late this year.