President Donald Trump on Monday set a 25% tax on goods imported from Japan and South Korea, as well as new tariff rates on a dozen other countries.

"America will, once again, build a DOMINANT Copper Industry," Trump said in a post on his Truth Social media platform.

Oil prices were steady on Thursday as investors weighed the potential impact of U.S. President Donald Trump's tariffs on global economic growth, while a weaker dollar and signs of strong U.S. gasoline demand underpinned prices.

The drop comes ahead of a planned 25% tariff on all Japanese imports starting Aug. 1, following earlier auto-specific levies imposed in April.

Trump on April 2 proposed a 20% tariff for EU goods and then threatened to raise that to 50% after negotiations did not move as fast as he would have liked, only to return to the 10% baseline. The EU has 27 member states, including France, Germany, Italy and Spain.

While South Korean imports to the U.S. face 25% tariffs, the same as Trump promised in April, the rate on Japan has been raised by 1 percentage point to 25%.

By Rae Wee SINGAPORE (Reuters) -Asian stocks rose slightly on Thursday, riding on optimism from Nvidia's brief rise to a world-record $4 trillion valuation and as investors largely shrugged off U.S. President Donald Trump's latest tariff salvos.

Japan and South Korea, the United States’ closest security allies in Asia and key partners in its effort to counter China, were sent scrambling Tuesday after the U.S. president renewed his threat to impose steep tariffs on their goods,

President Donald Trump's threats to impose high tariffs on countries make U.S. trading partners and investors nervous. But his sector tariffs could hurt consumers and businesses more in the long run.

By Jeff Mason, Bart H. Meijer and David Brunnstrom WASHINGTON/BRUSSELS (Reuters) -U.S. President Donald Trump on Monday began telling trade partners - from powerhouse suppliers like Japan and South Korea to minor players - that sharply higher U.