零售股强势，永辉超市、步步高等多股涨停

Group 1 - The A-share market saw strong performance in retail stocks, with several companies hitting the daily limit up, including Yonghui Supermarket, Central Plaza, Maoye Commercial, Dongbai Group, Huijia Times, and Bubugao [1] - The National Retail Industry Innovation Development Conference was held in Beijing on December 9-10, where the Deputy Minister of Commerce, Sheng Qiuping, emphasized the importance of the retail sector in fostering a complete domestic demand system and strengthening the domestic circulation during the 14th Five-Year Plan period [1] Group 2 - Notable stock performances included Yonghui Supermarket with a 10.11% increase, Central Plaza at 10.10%, and Maoye Commercial at 10.03%, among others [2] - Year-to-date performance showed significant variations, with Dongbai Group up 96.33% and Maoye Commercial up 63.16%, while Zhongbai Group and Haiziwang reported declines of 36.70% and 10.98%, respectively [2]