龙虎榜丨机构今日买入这18股，卖出天际股份2.13亿元

Group 1 - On December 25, a total of 36 stocks were involved with institutional investors, with 18 stocks showing net buying and 18 stocks showing net selling [1] - The top three stocks with the highest net buying by institutions were Hainan Development, Hengmingda, and Chaojie Co., with net buying amounts of 289 million, 201 million, and 162 million respectively [1] - The top three stocks with the highest net selling by institutions were Tianji Co., Tongyu Communication, and Goldwind Technology, with net outflow amounts of 213 million, 127 million, and 49 million respectively [1] Group 2 - Hainan Development had a daily increase of 6.87% with a net institutional buying of 288.69 million [2] - Hengmingda saw a daily increase of 8.27% with a net institutional buying of 200.75 million [2] - Chaojie Co. experienced a daily increase of 20.00% with a net institutional buying of 162.13 million [2] Group 3 - Tianji Co. had a daily increase of 6.84% but faced a net institutional selling of 213.50 million [3] - Tongyu Communication had a daily increase of 10.00% with a net institutional selling of 127.44 million [3] - Goldwind Technology had a daily increase of 9.98% but experienced a net institutional selling of 49.19 million [3]