科士达今日跌6.66%，有3家机构专用席位净卖出1.13亿元

Group 1 - The stock of Keda dropped by 6.66% with a trading volume of 1.059 billion yuan and a turnover rate of 5.43% [1] - After-hours trading data shows that the Shenzhen Stock Connect special seat bought 96.6659 million yuan and sold 96.3533 million yuan [1] - Two institutional special seats had a net purchase of 51.2745 million yuan, while three institutional special seats had a net sale of 113 million yuan [1]