A股龙虎榜丨此前3连板涨停衢州发展跌2.55%成交50.03亿，二机构卖出7.03亿，沪股通净买入2430万，上榜席位净卖出4.25亿

Summary of Key Points Core Viewpoint - The stock of Quzhou Development (600208.SH) experienced a decline of 2.55% after three consecutive days of gains, with a trading volume of 5 billion yuan and a turnover rate of 10.69% [1]. Trading Activity - The net buying from the Shanghai Stock Connect was 24.3 million yuan, with 124 million yuan bought and 100 million yuan sold [1]. - Institutional investors were significant sellers, with two institutions selling a total of 703 million yuan, while the total buying from the top trading seats was 487 million yuan and total selling was 912 million yuan, resulting in a net selling of 425 million yuan [1]. Top Trading Seats - The top five buying trading seats accounted for a total buying amount of 486.9 million yuan, representing 9.73% of total trading volume [1]. - The top five selling trading seats accounted for a total selling amount of 911.5 million yuan, representing 18.22% of total trading volume [1].