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.

President hardens stance on trade deadline, Nvidia gets closer to record $4 trillion market value, and more news to start your day.

U.S. President Donald Trump said on Tuesday he would announce a 50% tariff on copper imports, sending U.S. Comex copper futures up more than 12% to a record high.