U.S. President Donald Trump has announced a significant increase in tariffs on Canadian steel and aluminum, raising them from 25% to 50%. The policy, set to take effect on March 12, 2025, is a response to what the administration calls unfair trade practices, including Canada’s steep tariffs on American dairy products and new energy surcharges on U.S. exports. Trump’s decision was largely driven by outrage over Ontario’s 25% surcharge on electricity exports to the United States.

The tariff hike has sent shockwaves through financial markets, with major indices opening lower. The Dow Jones Industrial Average dropped over 400 points, while the S&P 500 also saw declines amid investor concerns about escalating trade tensions.

While broader markets slumped, U.S. steelmakers, including U.S. Steel and Alcoa, saw gains as investors bet on increased domestic demand. The policy shift is expected to heighten trade frictions between the U.S. and Canada, with analysts warning of potential retaliatory measures.

Economic experts remain divided on the long-term impact of the tariffs, with some arguing they could boost American manufacturing while others warn of higher costs for industries relying on Canadian metals.

For further updates, markets and policymakers are closely monitoring Canada’s response and potential countermeasures.