President Donald Trump’s decision this week to impose tariffs starting Aug. 1 on imports of certain copper products, but not on refined copper itself, tanked prices for the industrial metal on ...

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 ...

President Donald Trump's decision this week to impose tariffs starting Aug. 1 on imports of certain copper products, but not on refined copper itself, tanked prices for the industrial metal on ...