中国上证综指6月23日（周一）开盘下跌10.44点，跌幅：0.31%，报3349.46点；中国深证成指6月23日（周一）开盘下跌54.89点，跌幅：0.55%，报9950.14点；中国沪深300指数6月23日（周一）开盘下跌15.47点，跌幅：0.4%，报3831.17点；中国创业板指数6月23日（周一）开盘下跌12.93点，跌幅：0.64%，报1996.96点；中国科创50指数6月23日（周一）开盘下跌5.54点，跌幅：0.58%，报952.33点。

Core Viewpoint - The Chinese stock market experienced declines across major indices on June 23, 2023, indicating a bearish sentiment among investors [1] Index Performance - The Shanghai Composite Index opened down by 10.44 points, a decrease of 0.31%, closing at 3349.46 points [1] - The Shenzhen Component Index opened down by 54.89 points, a decrease of 0.55%, closing at 9950.14 points [1] - The CSI 300 Index opened down by 15.47 points, a decrease of 0.4%, closing at 3831.17 points [1] - The ChiNext Index opened down by 12.93 points, a decrease of 0.64%, closing at 1996.96 points [1] - The STAR 50 Index opened down by 5.54 points, a decrease of 0.58%, closing at 952.33 points [1]