中国上证综指7月1日（周二）开盘上涨1.42点，涨幅：0.04%，报3445.85点；中国深证成指7月1日（周二）开盘下跌6.73点，跌幅：0.06%，报10458.39点；中国沪深300指数7月1日（周二）开盘下跌0.17点，跌幅：0%，报3935.91点；中国创业板指数7月1日（周二）开盘下跌3.8点，跌幅：0.18%，报2149.22点；中国科创50指数7月1日（周二）开盘下跌1.32点，跌幅：0.13%，报1002.09点。

Core Points - The Shanghai Composite Index opened at 3445.85 points on July 1, 2023, with a slight increase of 1.42 points, representing a change of 0.04% [1] - The Shenzhen Component Index opened at 10458.39 points, experiencing a decrease of 6.73 points, which is a decline of 0.06% [1] - The CSI 300 Index opened at 3935.91 points, showing a minimal decrease of 0.17 points, indicating no significant change [1] - The ChiNext Index opened at 2149.22 points, down by 3.8 points, reflecting a drop of 0.18% [1] - The STAR 50 Index opened at 1002.09 points, with a decrease of 1.32 points, marking a decline of 0.13% [1]