零售概念探底回升，上海九百4天3板，东百集团、中兴商业、浙江东日、中百集团跟涨。

Group 1 - The retail sector is experiencing a rebound, with Shanghai Jiubai achieving three consecutive trading limits in four days [1] - Other companies such as Dongbai Group, Zhongxing Commercial, Zhejiang Dongri, and Zhongbai Group are also seeing stock price increases [1]