道琼斯指数7月7日（周一）开盘下跌76.61点，跌幅0.17%，报44751.92点；标普500指数7月7日（周一）开盘下跌22.76点，跌幅0.36%，报6256.59点；纳斯达克综合指数7月7日（周一）开盘下跌92.48点，跌幅0.45%，报20508.63点。

Core Viewpoint - The major U.S. stock indices experienced declines on July 7, 2023, indicating a downward trend in the market [1] Group 1: Market Performance - The Dow Jones Industrial Average opened down by 76.61 points, a decrease of 0.17%, closing at 44,751.92 points [1] - The S&P 500 index opened down by 22.76 points, a decrease of 0.36%, closing at 6,256.59 points [1] - The Nasdaq Composite index opened down by 92.48 points, a decrease of 0.45%, closing at 20,508.63 points [1]