关税突发！特朗普宣布：50%、25%、15%！

Group 1 - The article discusses the recent announcement by President Trump regarding new tariffs on imports from South Korea, India, and Brazil, indicating a significant shift in trade policy [1][2][3] - South Korea will face a 15% tariff, while India will see a 25% tariff on its exports to the U.S., with Trump citing high tariffs and non-tariff barriers as reasons for the changes [2][3] - Brazil's tariffs will increase to 50%, with specific exemptions for certain products like wood pulp and oil [2][3] Group 2 - Starting August 1, the U.S. will impose a 50% tariff on various semi-finished copper products and copper-intensive derivatives, which could impact industries reliant on these materials [3][4] - The announcement led to a significant drop in copper prices, with New York copper futures falling nearly 20% [4]