龙虎榜丨机构今日买入这10股，卖出南网数字1.88亿元

Summary of Key Points Core Viewpoint - On December 3rd, a total of 31 stocks were involved with institutional investors, with 10 stocks showing net buying and 21 stocks showing net selling [1]. Group 1: Institutional Net Buying - The top three stocks with the highest net buying by institutions were: - Sifangda: Net buying amount of 56.07 million yuan, with a daily increase of 15.37% [2]. - Aerospace Development: Net buying amount of 38.97 million yuan, with a daily increase of 5.20% [2]. - Tongyu Communication: Net buying amount of 34.58 million yuan, with a daily decrease of 2.54% [2]. Group 2: Institutional Net Selling - The top three stocks with the highest net selling by institutions were: - Nanguang Digital: Net outflow amount of 188 million yuan, with a daily decrease of 3.49% [3]. - Pingtan Development: Net outflow amount of 105 million yuan, with a daily decrease of 9.91% [3]. - Aerospace Power: Net outflow amount of 92.20 million yuan, with a daily increase of 6.46% [3].