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,

🤦🏼♀️ Good god, Trump is actively trying to destroy whole industries on his way out the door. Forget the defense industry, this decimates the construction industry. Between his tariffs on lumber, steel, and COVID his first term — how many times can he screw over builders his second… https://t.co/9HFPYELoVj

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.

U.S. President Donald Trump on Tuesday 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.

None of the countries targeted in the first batch of letters — the Philippines, Brunei, Moldova, Algeria, Libya, Iraq and Sri Lanka — is a major industrial rival to the United States.