Trump escalates trade war with 50% tariff on copper, eyes levies on drugs and chips

President Donald Trump 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.

One day after he pressured 14 trading partners, including powerhouse US suppliers like South Korea and Japan, with fresh tariff letters, Trump reiterated his threat of 10% tariffs on products from Brazil, India and other members of the BRICS group of countries.

He...