开盘半小时 沪深京三市成交额达4271亿元

Group 1 - The opening half hour saw a trading volume of 427.1 billion yuan in the Shanghai, Shenzhen, and Beijing markets, an increase of 14.2 billion yuan compared to the same time the previous day [1] - The estimated total trading amount for the day is approximately 1.5 trillion yuan [1] - There is a notable influx of dark pool funds into certain stocks [1]