US stock market crash today hits Dow, S&P 500, Nasdaq sharply. Dow falls 234 points, Nasdaq drops over 1.2%. Geopolitical tensions between US, Iran, Israel shake investor confidence fast. Energy assets attacks raise fears of supply disruptions globally. Bond yields surge, adding pressure across equities and growth stocks. Chevron and FedEx show rare strength amid broader sell-off. Investors now watch war risks and oil trends closely. Is this dip temporary or a deeper market shift?