President Donald Trump’s sweeping tariffs on imports from Canada, Mexico, and China officially went into effect on Saturday, rattling global markets. The measures impose a 25% levy on Canadian and Mexican imports, while Chinese goods face a 10% tariff. The move, widely anticipated but still met with alarm, has already triggered retaliatory measures from affected nations, further fueling uncertainty in financial markets. Asian Markets Plunge, U.S. Futures Tumble In early Monday trading, Asian markets felt the immediate impact of Trump’s aggressive trade policy. The Shanghai Composite dropped 2.5%, while Hong Kong’s Hang Seng Index slid 2.9%. Japan’s Nikkei 225 tumbled nearly 3%, with exporters taking the hardest hit. The sell-off was mirrored in currency markets, where the Chinese yuan weakened by 0.5% offshore, and the risk-sensitive Australian dollar fell more than 1%. The U.S. stock market is poised for a rough start to the week. S&P 500 futures dropped nearly 2%, while the tech-...