- Stocks slip, US copper jumps as Trump plans tariff on imported copper Reuters
- Trump says he will impose 50% tariff on copper imports CNBC
- Trump says steep copper tariffs in store as he broadens his trade war Reuters
- Copper prices soar to record high after Trump announces 50% tariff Investing.com
- Trump says 50% tariff on copper imports is coming and threatens 200% on pharmaceuticals CNN