An acute copper supply squeeze is coming to an abrupt end as President Donald Trump’s plan to soon slap a 50% tariff on the metal narrows the window to profit from surging US prices.

U.S. President Donald Trump launched his global tariff assault into overdrive on Wednesday, announcing a new 50% tariff on U.S. copper imports and a 50% duty on goods from Brazil, both to start on August 1.

The reaction to President Trump's letters promising steep tariffs from next month. We'll hear how businesses in Japan and Bangladesh are preparing. Why China's dominance in rare earth minerals comes at the cost of polluted water and contaminated soil?