U.S. steelmaker shares soared on news of President Trump’s new tariffs. But are these tariffs as bulletproof as investors seem to believe? The steel tariffs, like those on autos and auto parts, are sector-based.

A court fight over President Donald Trump’s decision to end a US policy that exempted small-value packages from China from tariffs is moving ahead over the administration’s opposition.A federal judge on Thursday denied the US Justice Department’s request to pause litigation over what’s known as the “de minimis” tariff exception while a broader fight over Trump’s move to raise global tariffs on imported goods is pending.

President Donald Trump’s tariff saga took another twist late Wednesday when a U.S. trade court voided the bulk of his levies, prompting an instant appeal by the administration and sparking a rally for U.