President Donald Trump said a new 50% tariff on all copper imports will come Tuesday. However, he did not specify when the new tariff would take effect.

President Donald Trump said he would not offer any extensions for the implementation of increased tariffs on many goods imported into the US, pledging that new rates would hit at the beginning of August.

By Andrea Shalal, Jarrett Renshaw and Ernest Scheyder WASHINGTON (Reuters) -President Donald Trump said on Tuesday he will announce a 50% tariff on copper later in the day, aiming to boost U.S. production of a metal critical to electric vehicles,