Copper is at the core of the American economy. It’s in the wires of our pervasive electronics, in the walls of homes and in the engines of cars. Experts say President Donald Trump’s plan for tariffs on the red metal could stymy the goal of boosting American manufacturing while potentially igniting inflation. Trump’s July 8 announcement of a 50% tariff on copper imports beginning August 1 sent prices surging 13% in one day, up to a record high of $5.69 per pound. It was the biggest single-day increase in copper prices on record going back to 1968, according to FactSet. And those prices could just be a sign of things ... (full story)