Group 1 - A-shares saw 54 stocks hitting the daily limit up and 10 stocks hitting the limit down on September 15 [1] - The robotics sector was active, with Zhongdali De hitting the limit up [1] - The CRO/CMO sector also rose, with Zhaoyan New Drug achieving 4 limit ups in 7 days and Dezhan Health hitting the limit up [1] Group 2 - *ST Weier achieved 12 limit ups in 15 days, while *ST Zhengping had 6 limit ups in 9 days [1] - Other notable stocks include *ST Yatai with 6 consecutive limit ups, and *ST Yushun and Wolong New Energy with 4 limit ups in 6 days [1] - Stocks like Sanjiang Shopping and Baile Technology had 4 limit ups in 5 days, while Huajian Group had 3 consecutive limit ups [1] Group 3 - *ST Gaohong and ST Keli Da experienced consecutive limit downs for 2 days [2] - *ST Yuancheng and *ST Rongkong also hit the limit down [2]