乳业概念持续走强 欢乐家触及20%涨停创新高

Group 1 - The dairy industry concept continues to strengthen, with companies like Huanlejia hitting a 20% limit up and reaching a new high [2] - Zhuangyuan Pasture previously reached a limit up, indicating strong market performance [2] - Other companies such as Yiming Food, Yantang Dairy, and Knight Dairy also experienced upward movement in their stock prices [2]