Meanwhile, the 25% Trump tariffs on copper announced during his Tuesday night speech to Congress lit a fire under copper prices and shares of Freeport-McMoRan. This marks the second time that Trump has backtracked following a sharp S&P 500 sell-off, which may give Wall Street comfort that he won’t ignore the stock market impact. While a cloud of uncertainty will remain for the next 30 days, Commerce Secretary Howard Lutnick said Tuesday that Trump is open to meeting Mexico and Canada “in the middle.”