中国上证综指7月18日（周五）开盘上涨2.65点，涨幅：0.08%，报3519.48点；中国深证成指7月18日（周五）开盘上涨29.11点，涨幅：0.27%，报10902.72点；中国沪深300指数7月18日（周五）开盘上涨5.38点，涨幅：0.13%，报4039.87点；中国创业板指数7月18日（周五）开盘上涨10.34点，涨幅：0.46%，报2279.67点；中国科创50指数7月18日（周五）开盘上涨2.48点，涨幅：0.25%，报1008.13点。

Market Performance - The Shanghai Composite Index opened at 3519.48 points, up by 2.65 points, reflecting a gain of 0.08% on July 18 [1] - The Shenzhen Component Index opened at 10902.72 points, increasing by 29.11 points, with a rise of 0.27% on the same day [1] - The CSI 300 Index opened at 4039.87 points, gaining 5.38 points, which corresponds to a 0.13% increase [1] - The ChiNext Index opened at 2279.67 points, up by 10.34 points, marking a 0.46% rise [1] - The STAR 50 Index opened at 1008.13 points, increasing by 2.48 points, representing a 0.25% gain [1]