关税突发！美国刚刚宣布

Group 1 - The U.S. White House announced a 25% import tariff on certain semiconductors, semiconductor manufacturing equipment, and derivatives starting from January 15 [1] - The U.S. Supreme Court did not make a ruling on the legality of the tariffs imposed by the Trump administration, leaving the case unresolved [2] - The Trump administration's tariffs were implemented under the International Emergency Economic Powers Act without Congressional approval, leading to legal challenges [2]