Trump's Trade War Roils the Copper Market The New York TimesFive Things to Know About Record Copper Prices WSJU.S. Copper Prices Surge on Trump's Threat of 50% Tariff The New York TimesTrump says 50% tariff on copper imports is coming and threatens 200% on pharmaceuticals CNN
Copper prices in US hit record high after Trump announces 50% tariff The GuardianCopper now costs way more in the U.S. than elsewhere. This could hit its economy hard CNBCDonald Trump threatens copper, pharma tariffs: Who will they hurt? Al JazeeraTrump's Trade War Roils the Copper Market