President Donald Trump mentioned Tuesday — almost in passing — that he planned to impose a 50% tariff on copper imports. It still hit like a bombshell, with potential to shake up U.S. efforts to expand,

Trump also said he would soon announce tariffs “at a very, very high rate, like 200%,” on pharmaceutical imports.

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