U.S. President Donald Trump broadened his global trade war on Tuesday as he announced a 50% tariff on imported copper and said long-threatened levies on semiconductors and pharmaceuticals were coming soon.

President Donald Trump said on Tuesday he will announce a 50% tariff on copper later in the day, aiming to boost U.S. production of a metal critical to electric vehicles, military hardware, the power grid and many consumer goods.

President Donald Trump said he planned to implement a 50% duty on copper imports as part of a set of looming sectoral tariffs, while also indicating he could offer pharmaceutical manufacturers at least a year before applying a crippling 200% tariff on their foreign-made products.