U.S. President Donald Trump's plans to impose 50% tariffs on copper would include semi-finished products such as those used for power grids, the military and data centers, Bloomberg News reported on Thursday,

President says Canada’s tariff retaliation, lack of progress on curbing fentanyl smuggling is behind new import penalty

The sector-specific tariffs are putting pressure on businesses and foreign nations as they try to navigate Trump's constantly evolving trade agenda.

President Trump threatened Canada with 35% tariffs while saying he's considering raising blanket tariffs on most trade partners.