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,

Trump on Tuesday signed an order extending the trade truce with China for another 90 days, according to a person familiar with the matter. The pact, which saw the US and China agree to reduce tit-for-tat tariff hikes and ease export restrictions on rare earth magnets and certain technologies, had been due to expire after midnight in New York.

When President Trump rocked the economy with an unprecedented attack on global trade in April, the plan was dismissed as swaggering, capricious and unsustainable.