- Donald Trump orders 50% steel and aluminium tariffs to begin on June 4 Financial Times
- ADJUSTING IMPORTS OF ALUMINUM AND STEEL INTO THE UNITED STATES The White House (.gov)
- Trump admin live updates: Trump signs executive order raising tariffs on steel, aluminum imports to 50% ABC News
- Trump’s Higher Aluminum Tariff Raises Costs for Alcoa WSJ
- Ford, GM Stocks Are Slipping. Investors Want a Brake on Tariffs. Barron’s