众生药业今日跌6.28%，有4家机构专用席位净卖出2.56亿元

Group 1 - The stock of Zhongsheng Pharmaceutical declined by 6.28% today, with a trading volume of 1.843 billion yuan and a turnover rate of 12.79% [1] - After-hours trading data shows that the Shenzhen Stock Connect special seat bought 180 million yuan and sold 128 million yuan, indicating significant trading activity [1] - Three institutional special seats had a net purchase of 30.7748 million yuan, while four institutional special seats had a net sale of 256 million yuan, reflecting mixed institutional sentiment [1]