Economists warn the U.S. economy may suffer most—but a range of knock-on effects will ripple across the world.

President Donald Trump said countries were attempting to negotiate, while China imposed 84% tariffs on U.S. imports.

Several new, sweeping taxes on goods from other countries are already here — and more took effect on Wednesday. Trump has promised higher rates for his latest and most severe volley of duties, which he calls “reciprocal” tariffs.

US President Donald Trump’s sweeping new tariffs have gone into full effect. When Mr Trump announced the latest round of tariffs on April 2, he declared that the US would now tax nearly all of America’s trading partners at a minimum of 10% – and impose steeper rates for countries that he says run trade surpluses with the US.

President Donald Trump’s unprecedented tariffs on global imports into the United States take effect Wednesday.

Despite rattled financial markets, threats of retaliation and some of President Donald Trump’s biggest supporters encouraging him to back off his signature economic policy, he didn’t give in. His administration piled on heaps of new “reciprocal” tariffs Wednesday on dozens of American allies and adversaries alike,

The Supreme Court on Monday lifted an order blocking President Donald Trump ’s administration from deporting Venezuelan migrants under the Alien Enemies Act, a rarely used 18th-century wartime law. In a bitterly divided 5-4 decision,

Trump's sharp tariff hikes last week have heightened many economists' worries that the US could tip into recession.

President Donald Trump's latest tariffs have caused another wave of market declines worldwide as some countries retaliate and others seek negotiations.