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,

Gulf is winning Trump's trade and tariff war, First Abu Dhabi Bank's Simon Ballard tells CNBC's Dan Murphy

Countries striking agreements with the United States have pledged to buy more Boeing planes, but it’s not clear whether those orders were the result of President Trump’s tactics.

NEWS ANALYSIS. Many American economic analysts believe the chaotic introduction of punitive tariffs last spring now seems to be giving way to a new world order, in which tariff barriers of 10% to 15%,

He is raising tariffs on some of America’s most important trading partners, and the world is largely cheering the agreements as victories.

Also today: Uber tests new safety feature for women in the US, and how climate change is raising your grocery bill.

The European Union dominates critical pharmaceutical imports into the United States, making the 30% tariffs Trump threatened to go into effect Aug. 1 particularly risky.

Six months ago, the prospect of a 15% tariff on all goods from a major trading partner like Japan — vastly higher than seen in modern times — would likely have spooked financial markets and caused a wave of economic worry.

The president wants tariffs, the higher the better. Whether that is achieved unilaterally or via deals is secondary.

The United States, under the Trump administration, has been shaking up the automotive industry with a new set of tariffs that could drastically alter the way cars are produced and sold in North America.