US stocks closed little changed despite Trump's tough tariff talk. Copper climbs to record high after Trump threatens to slap 50% levy on imports.

President Trump will wield 50% copper tariffs on August 1 as he promises more to come with countries such as Brazil in the crosshairs. Nvidia scores the first $4 trillion market cap milestone, lifting the Nasdaq to a record.

By Elizabeth Howcroft PARIS (Reuters) -European stocks rose on Wednesday as traders seemed untroubled by U.S. President Donald Trump's announcement that he would impose a 50% tariff on imported copper and soon introduce levies of up to 200% for pharmaceuticals.

Trump’s tariffs and the fast-moving trade war continue to affect global markets. Follow along for live updates on the Dow, S&P 500 and Nasdaq.

Copper futures surged on the news, market the largest single-day dollar and percentage gain on record, according to Dow Jones Market Data.

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. stocks are higher as investors eye President Donald Trump's next tariff moves and await minutes from the last Federal Reserve policy meeting.

President Donald Trump said at least seven countries can expect tariff letters on Wednesday morning, as he ramped up pressure on nations to strike deals with the United States by saying his new August 1 deadline would not be extended.