[US Stock Market Volatility Index (VIX) Surges Over 47%, Breaking 24 Mark to Hit New High Since April 7] US stock market volatility rose significantly, with the S&P 500 Volatility Index (VIX) reaching 24.44 points, a surge of 7.83 points, or 47.14%, hitting a high of 24.44 points during the session, a new high since April 7. Meanwhile, all three major US stock indexes fell, with the Dow Jones Industrial Average down 1.50%, the S&P 500 down 2.65%, and the Nasdaq Composite down 4.25%.