Stock Market News, Sept. 8, 2026: Dow ends down 620 points and posts worst day in nearly 3 weeks, S&P 500 and Nasdaq slide as rising oil prices revive inflation worries; Brent crude near $100 a barrel

Stock Market News, Sept. 8, 2026: Dow ends down 620 points and posts worst day in nearly 3 weeks, S&P 500 and Nasdaq slide as rising oil prices revive inflation worries; Brent crude near $100 a barrel