In a turbulent session, the stock market faced significant declines as President Trump confirmed that tariffs on Mexico and Canada would commence soon, leading to a sharp downturn across major indices. The Dow Jones Industrial Average saw losses exceeding 800 points, while the S&P 500 and Nasdaq also fell substantially. Investors are on edge as the impact of these tariffs coincides with concerning manufacturing data, raising fears about economic growth. Amid this volatility, Nvidia shares plummeted, further exacerbating market fears fueled by looming tariffs and economic uncertainties.