U.S. stock market trading volume is light, S&P 500 opens little changed

According to ChainCatcher, citing Golden Ten Data, as the holiday approaches, trading volume in the U.S. stock market remains light, with the S&P 500 index showing little change at the open and tech stocks experiencing mixed movements. Trading volume on Tuesday is likely to remain subdued, with Monday's volume nearly 40% below the 20-day average. Craig Johnson, Chief Market Technician at Piper Sandler & Co., stated that despite the shortened trading week due to the holiday, the market continues to rise with a calm confidence. Market breadth continues to improve, trend indicators remain constructive, and volatility has broken through key support levels.