A president who demands loyalty and has gotten used to winning at the Supreme Court didn’t hold back after it struck down his signature economic policy.

Governments around the world reacted with caution after the US Supreme Court invalidated President Donald Trump’s broad emergency tariffs, with some reaffirming existing agreements and others taking a...

In a 6–3 decision, the justices upheld lower court rulings in challenges brought by businesses and 12 US states, concluding that the law did not authorise the president to impose broad import taxes wi...