Group 1 - A-shares experienced significant market activity on September 19, with 59 stocks hitting the daily limit up and 26 stocks hitting the limit down [1] - The Xinjiang state-owned assets concept was active, with Tianfu Energy reaching the limit up [1] - The photolithography machine concept strengthened, with Yongxin Optical achieving three consecutive limit ups, and Fuchin Technology and Kaimete Gas both reaching the limit up within three days [1] - The energy metals sector saw gains, highlighted by Ganfeng Lithium hitting the limit up [1] Group 2 - Tianpu Co. achieved 13 consecutive limit ups, while *ST Zhengping had 10 limit ups in 13 days [1] - Other notable stocks included Taimusi with five consecutive limit ups, Hangdian Co. with four consecutive limit ups, and Changfei Fiber with three limit ups in four days [1] - Several companies, including *ST Gaohong, *ST Haiyuan, Jingxing Paper, Wanxiang Qianchao, and Xinhua Jin, faced consecutive limit downs, with *ST Gaohong experiencing six consecutive limit downs [2]

Group 1 - A-shares saw significant market activity with 46 stocks hitting the daily limit up and 12 stocks hitting the limit down on September 19 [1] - The Xinjiang state-owned assets concept was active, with Xinjiang Communications Construction and Tianfu Energy reaching the limit up [1] - The photolithography machine concept strengthened, with Yongxin Optical achieving three consecutive limit ups, and Kaimete Gas and Haili Co. both showing notable increases [1] - The energy metals sector rose, highlighted by Ganfeng Lithium hitting the limit up [1] Group 2 - *ST Gaohong experienced a continuous decline with six consecutive limit downs, alongside *ST Haiyuan, Xinhua Jin, and Meibang Fashion also hitting the limit down [2]