中国上证综指7月3日（周四）开盘上涨1.36点，涨幅：0.04%，报3456.15点；中国深证成指7月3日（周四）开盘上涨18.4点，涨幅：0.18%，报10431.03点；中国沪深300指数7月3日（周四）开盘上涨5.71点，涨幅：0.14%，报3949.4点；中国创业板指数7月3日（周四）开盘上涨7.02点，涨幅：0.33%，报2130.74点；中国科创50指数7月3日（周四）开盘上涨1.7点，涨幅：0.17%，报984.34点。

Market Performance - The Shanghai Composite Index opened on July 3, 2023, with an increase of 1.36 points, representing a growth of 0.04%, closing at 3456.15 points [1] - The Shenzhen Component Index opened on July 3, 2023, with an increase of 18.4 points, representing a growth of 0.18%, closing at 10431.03 points [1] - The CSI 300 Index opened on July 3, 2023, with an increase of 5.71 points, representing a growth of 0.14%, closing at 3949.4 points [1] - The ChiNext Index opened on July 3, 2023, with an increase of 7.02 points, representing a growth of 0.33%, closing at 2130.74 points [1] - The STAR 50 Index opened on July 3, 2023, with an increase of 1.7 points, representing a growth of 0.17%, closing at 984.34 points [1]