Trump said on Tuesday that he would impose a 50% tariff on copper. Though the remarks were light on specifics, his comments sent the metal to all-time highs.

U.S. President Donald Trump indicated a sweeping 50% tariff on all copper imports into the country, significantly escalating ongoing global trade tensions. The 50% copper tariff will likely take effect at the end of July or on August 1,

U.S. President Donald Trump on Tuesday said he would impose a 50% tariff on imported copper and soon introduce long-threatened levies on semiconductors and pharmaceuticals, broadening his trade war that has rattled markets worldwide.