突然暴跌！特朗普宣布：50%关税！

Group 1 - The U.S. government announced a 50% tariff on imported semi-finished copper products and copper-intensive derivatives, effective from August 1 [2][3] - The new tariffs are part of a broader strategy to boost domestic industries and address trade imbalances, following previous tariffs on steel and aluminum [3] - Copper raw materials and scrap are exempt from the new tariffs, and the tariffs will not be combined with additional tariffs on automobile imports [3] Group 2 - Following the announcement, copper prices in New York plummeted over 18% within minutes [3] - The U.S. government has invoked the Trade Expansion Act of 1962, specifically Section 232, allowing tariffs for national security reasons [3] - The White House has mandated that 25% of high-quality copper scrap and raw copper products must be sold domestically, although this is not expected to have immediate significant impact [3]