龙虎榜丨航天电子跌停，三游资卖出21亿元，三机构净卖出3.51亿元

Core Viewpoint - Aerospace Electronics (600879.SH), a popular stock in the commercial aerospace sector, experienced a significant drop, hitting the daily limit down, with a turnover rate of 22.12% and a transaction volume of 21.248 billion yuan [1] Trading Activity Summary - The top five trading seats showed a net selling of 1.799 billion yuan, with three institutions ranking as the second, fourth, and first largest sellers, collectively selling 351 million yuan [1] - The "quantitative fund" was the second largest seller, offloading 832 million yuan, while the "leisure faction" sold 805 million yuan, and "Zuo Shou Xin Yi" sold 463 million yuan [1] - Overall, the buying activity from the top trading seats amounted to 1.905 billion yuan, while selling reached 3.704 billion yuan [1] Institutional Participation - The top buying institutions included the Shanghai Stock Connect Special Account with a purchase amount of 469.98 million yuan, accounting for 2.21% of total transactions [1] - Other notable buying institutions included a specialized institution with 418.88 million yuan (1.97%) and Guotai Junan Securities Headquarters with 403.45 million yuan (1.90%) [1] - The selling activity was dominated by specialized institutions, with significant contributions from various branches of Guotai Junan Securities [1]