Stocks experienced their largest decline of the year following announcements of President Trump’s tariff plans on Mexico and Canada. The Dow Jones Industrial Average dropped 650 points as investors reacted to the news that tariffs would take effect on Tuesday. Stock futures showed some recovery after Monday’s significant sell-off, but concerns remain over the looming tariffs. The developments were closely monitored in live updates across financial news platforms. Trump’s tariff threats have been identified as a key factor accelerating the stock market drop. — news from The New York Times