午间涨跌停股分析：39只涨停股、9只跌停股，商业零售概念走强，永辉超市等3连板

Group 1 - A-shares saw a total of 39 stocks hitting the daily limit up and 9 stocks hitting the limit down during the first half of the trading session on December 10 [1] - The commercial retail sector showed strong performance, with Yonghui Supermarket and Nanjing Shanglv achieving three consecutive limit ups, while Meikailong recorded two consecutive limit ups and Bubugao hit the limit up [1] - Notable stocks with consecutive limit ups include Dongbai Group and Xiamen Port Authority with four consecutive limit ups, Bona Film Group and Annie Shares with three consecutive limit ups, and Xinlong Health, Yueling Shares, and Xinha Shares with two consecutive limit ups [1] Group 2 - Stocks facing consecutive limit downs include *ST Zhengping with six consecutive limit downs, *ST Fanli with five consecutive limit downs, and ST Zhongdi with two consecutive limit downs [1] - Other stocks that hit the limit down include *ST Aowei, *ST Yanshi, Zhongke Shuguang, and *ST Yazhen [1]