Many smaller countries’ exports have faced 10 percent tariffs since the president first announced, then suspended, an initial wave of policies in April. Others have staved off eye-watering rates after brokering deals with the United States that set their tariffs generally between 15 and 20 percent.

Benchmarks fell in Asia, with South Korea’s Kospi dropping nearly 4% after the tariff rate for the U.S. ally was set at 15%. The U.S. dollar weakened against the Japanese yen, trading at more than 150