President Donald Trump announced a new round of tariffs on Friday after the U.S. Supreme Court invalidated most of the tariffs underpinning his economic agenda.

WASHINGTON — The U.S. Supreme Court struck down U.S. President Donald Trump’s far-reaching global tariffs on Friday, handing him a significant loss on an issue crucial to his economic agenda.

“Had Congress intended to convey the distinct and extraordinary power to impose tariffs, it would have done so expressly, as it consistently has in other tariff statutes,” chief Justice John Roberts w...