开盘：上证指数开盘下跌0.31%，创业板指下跌0.57%

Market Performance - The Shanghai Composite Index opened down by 12.09 points, a decrease of 0.31%, closing at 3871.47 points [1] - The Shenzhen Component Index opened down by 42.26 points, a decrease of 0.34%, closing at 12398.81 points [1] - The ChiNext Index opened down by 15.88 points, a decrease of 0.57%, closing at 2747.11 points [1] - The CSI 300 Index opened down by 15.87 points, a decrease of 0.36%, closing at 4453.35 points [1]