中国上证综指7月2日（周三）收盘下跌2.96点，跌幅：0.09%，报3454.79点；中国深证成指7月2日（周三）收盘下跌63.67点，跌幅：0.61%，报10412.63点；中国沪深300指数7月2日（周三）收盘上涨0.92点，涨幅：0.02%，报3943.68点；中国创业板指数7月2日（周三）收盘下跌24.2点，跌幅：1.13%，报2123.72点；中国科创50指数7月2日（周三）收盘下跌12.16点，跌幅：1.22%，报982.64点。

Market Performance Summary - The Shanghai Composite Index closed at 3454.79 points on July 2, down by 2.96 points, a decrease of 0.09% [1] - The Shenzhen Component Index closed at 10412.63 points, down by 63.67 points, a decrease of 0.61% [1] - The CSI 300 Index closed at 3943.68 points, up by 0.92 points, an increase of 0.02% [1] - The ChiNext Index closed at 2123.72 points, down by 24.2 points, a decrease of 1.13% [1] - The STAR 50 Index closed at 982.64 points, down by 12.16 points, a decrease of 1.22% [1]