COMEX铜期货日内暴跌15.9％，现报4.73美元/磅。美国总统特朗普签署公告，以应对铜进口对美国国家安全的影响。将阴极铜排除在进口关税之外。

Group 1 - COMEX copper futures experienced a significant drop of 15.9%, currently priced at $4.73 per pound [1] - President Trump signed an announcement addressing the impact of copper imports on U.S. national security [1] - Cathode copper has been excluded from import tariffs [1]