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, citing people familiar with the matter. Trump on Wednesday announced a new 50% tariff on copper starting August 1, in a bid to promote domestic development of an industry critical to defense, electronics and automobiles. Reuters could not immediately verify the report. The White House did not immediately respond to a request for comment. "Copper is necessary for Semiconductors, Aircraft, Ships, Ammunition, Data ... (full story)