The planned 50% tariff on copper imports may turn out to be the biggest own goal of U.S. President Donald Trump's ongoing trade war with the rest of the world.

President Donald Trump announced on Wednesday night that the United States will impose a 50 percent tariff on copper, effective August 1. Trump wrote on Truth Social that he came to the decision after a "robust NATIONAL SECURITY ASSESSMENT."

President Donald Trump mentioned Tuesday — almost in passing — that he planned to impose a 50% tariff on copper imports. It still hit like a bombshell, with potential to shake up U.S. efforts to expand,

Donald Trump plans to impose a 50% tariff on copper, affecting semi-finished products for various critical sectors. The move aims to promote domestic industry development essential for defense, electronics,

Brazilian assets dropped as President Donald Trump’s threat to impose 50% tariffs on all goods from the South American nation rippled through markets.