Summary of Key Points Core Viewpoint - On December 9, a total of 36 stocks were involved in institutional trading, with 17 stocks showing net buying by institutions and 19 stocks showing net selling [2]. Institutional Net Buying - The top three stocks with the highest net buying by institutions were: - Dekeli: Net buying amount of 175 million yuan, with a price increase of 20.00% [3]. - Tongyu Communication: Net buying amount of 70.71 million yuan, with a price decrease of 8.30% [3]. - Haixin Food: Net buying amount of 64.93 million yuan, with a price increase of 8.43% [3]. Institutional Net Selling - The top three stocks with the highest net selling by institutions were: - Yonghui Supermarket: Net selling amount of 342 million yuan, with a price increase of 9.95% [4]. - Leike Defense: Net selling amount of 151.80 million yuan, with a price increase of 10.01% [4]. - Shaanxi Huada: Net selling amount of 70.07 million yuan, with a price increase of 20.00% [4].