道琼斯指数7月9日（周三）开盘上涨166.49点，涨幅0.38%，报44407.25点；标普500指数7月9日（周三）开盘上涨24.61点，涨幅0.40%，报6250.13点；纳斯达克综合指数7月9日（周三）开盘上涨123.41点，涨幅0.60%，报20541.87点。

Market Performance - The Dow Jones Industrial Average opened on July 9 with an increase of 166.49 points, representing a rise of 0.38%, reaching 44,407.25 points [1] - The S&P 500 index opened on July 9 with an increase of 24.61 points, reflecting a gain of 0.40%, reaching 6,250.13 points [1] - The Nasdaq Composite index opened on July 9 with an increase of 123.41 points, indicating a rise of 0.60%, reaching 20,541.87 points [1]