中国上证综指7月28日（周一）开盘上涨0.58点，涨幅：0.02%，报3594.23点；中国深证成指7月28日（周一）开盘上涨8.25点，涨幅：0.07%，报11176.39点；中国沪深300指数7月28日（周一）开盘上涨1.04点，涨幅：0.03%，报4128.2点；中国创业板指数7月28日（周一）开盘上涨6.33点，涨幅：0.27%，报2346.38点；中国科创50指数7月28日（周一）开盘上涨0.71点，涨幅：0.07%，报1054.91点。

Market Performance - The Shanghai Composite Index opened on July 28, 2023, with an increase of 0.58 points, representing a change of 0.02%, closing at 3594.23 points [1] - The Shenzhen Component Index opened on July 28, 2023, with an increase of 8.25 points, representing a change of 0.07%, closing at 11176.39 points [1] - The CSI 300 Index opened on July 28, 2023, with an increase of 1.04 points, representing a change of 0.03%, closing at 4128.2 points [1] - The ChiNext Index opened on July 28, 2023, with an increase of 6.33 points, representing a change of 0.27%, closing at 2346.38 points [1] - The STAR 50 Index opened on July 28, 2023, with an increase of 0.71 points, representing a change of 0.07%, closing at 1054.91 points [1]