中国上证综指7月16日（周三）开盘下跌2.1点，跌幅：0.06%，报3502.9点；中国深证成指7月16日（周三）开盘上涨5.15点，涨幅：0.05%，报10749.71点；中国沪深300指数7月16日（周三）开盘上涨0.33点，涨幅：0.01%，报4019.39点；中国创业板指数7月16日（周三）开盘上涨6.16点，涨幅：0.28%，报2241.21点；中国科创50指数7月16日（周三）开盘上涨0.08点，涨幅：0.01%，报996.33点。

Market Performance Summary - The Shanghai Composite Index opened at 3502.9 points, down 2.1 points, a decrease of 0.06% on July 16 [1] - The Shenzhen Component Index opened at 10749.71 points, up 5.15 points, an increase of 0.05% on July 16 [1] - The CSI 300 Index opened at 4019.39 points, up 0.33 points, an increase of 0.01% on July 16 [1] - The ChiNext Index opened at 2241.21 points, up 6.16 points, an increase of 0.28% on July 16 [1] - The STAR 50 Index opened at 996.33 points, up 0.08 points, an increase of 0.01% on July 16 [1]