中国上证综指7月17日（周四）开盘下跌3.41点，跌幅：0.1%，报3500.37点；中国深证成指7月17日（周四）开盘下跌1.95点，跌幅：0.02%，报10718.85点；中国沪深300指数7月17日（周四）开盘下跌2.13点，跌幅：0.05%，报4005.07点；中国创业板指数7月17日（周四）开盘下跌1.67点，跌幅：0.07%，报2228.52点；中国科创50指数7月17日（周四）开盘上涨0.08点，涨幅：0.01%，报997.71点。

Market Performance Summary - The Shanghai Composite Index opened at 3500.37 points, down 3.41 points, a decline of 0.1% on July 17 [1] - The Shenzhen Component Index opened at 10718.85 points, down 1.95 points, a decline of 0.02% on July 17 [1] - The CSI 300 Index opened at 4005.07 points, down 2.13 points, a decline of 0.05% on July 17 [1] - The ChiNext Index opened at 2228.52 points, down 1.67 points, a decline of 0.07% on July 17 [1] - The STAR 50 Index opened at 997.71 points, up 0.08 points, an increase of 0.01% on July 17 [1]