龙虎榜丨机构今日买入这14股，加仓华建集团10.51亿元

Core Insights - On October 21, a total of 34 stocks were identified with institutional activity, with 14 stocks showing net buying and 20 stocks showing net selling [1] Group 1: Institutional Buying - The top three stocks with the highest net buying by institutions were Huajian Group, Online and Offline, and Dayou Energy, with net buying amounts of 1.051 billion, 142 million, and 87.36 million respectively [1] Group 2: Institutional Selling - The top three stocks with the highest net selling by institutions were Yuanjie Technology, Huilv Ecology, and Yunhan Chip City, with net outflow amounts of 263 million, 157 million, and 112 million respectively [1]