龙虎榜揭秘：北向资金今日净买入8只个股

Group 1 - The core viewpoint of the article highlights the significant net buying and selling activities of stocks on December 17, with specific focus on the stocks that appeared on the trading leaderboard [1] - Among the stocks with net buying, ShenNan Circuit had the highest net purchase amount of 146 million yuan, followed by Shengxin Lithium Energy with 109 million yuan, Aerospace Machinery with 85.18 million yuan, and Guangxun Technology with 66.42 million yuan [1] - The stocks with the highest net selling included XueRen Group with a net selling amount of 143 million yuan, followed by Biological Shares with 54.91 million yuan and Juguang Technology with 53.47 million yuan [1]