乳业板块逆势拉升，欢乐家20cm涨停

Group 1 - The dairy sector is experiencing a counter-trend surge, with companies like Huanlejia hitting the daily limit of a 20% increase [1] - San Yuan Co. previously reached its limit, indicating strong market interest [1] - Other companies such as Huangshi Group, Zhuangyuan Pasture, and Liziyuan are also seeing upward movement in their stock prices [1]