特朗普突然改口，铜价岌岌可危

Core Insights - The LME copper price closed at $9,730.0 per ton, down 0.74%, with significant market reactions following the U.S. government's decision to exclude refined copper from tariffs [1] - The White House announced a 50% tariff on imported copper semi-finished products starting August 1, but refined copper will not be taxed, surprising traders [1] - Following the announcement, COMEX copper futures prices plummeted by 20% within minutes, and the premium of U.S. copper prices over LME benchmark copper futures significantly decreased from 28% [1] Market Reactions - The unexpected exclusion of refined copper from tariffs has led to a bearish sentiment in the market, with potential short-term risks for copper prices in Shanghai [2]