The cost of copper for U.S. buyers has rocketed after President Donald Trump said he would impose a 50% tariff on imports of the metal. It means that already elevated prices are now even higher in the U.S. than elsewhere — and analysts warned of a hit to businesses and the wider U.S. economy as a result. The U.S. imports just under half of its copper, which is used in products ranging from machinery, electronics and household goods to housing and infrastructure projects. Trump’s stated ambition is to increase domestic production, but experts say this will take years to ramp up and decades to fully meet demand — at a ... (full story)