养老概念震荡反弹，云南城投涨停

Group 1 - The elderly care concept is experiencing a volatile rebound, with Yunnan City Investment hitting the daily limit [1] - New Dazheng and Shoukai Co., Ltd. previously reached the limit, indicating strong market interest [1] - Other companies such as Rongtai Health, Dongfang Guoxin, Nanjing Shanglv, Hengfeng Information, Zhujiang Co., Ltd., and Xinlong Health also saw increases in their stock prices [1]