Trump's Tariffs on Steel and Aluminum Take Effect

1. Trump imposes 25% tariffs on all metal imports, escalating trade tensions. 2. Higher costs expected for U.S. manufacturers, potentially slowing economic growth. 3. Canada, Mexico, and China face additional tariffs, raising retaliatory concerns. 4. Trade policies may lead to market volatility impacting the S&P 500. 5. Historical tariff measures in 2018 triggered prolonged trade wars with allies.