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]

*ST高鸿连续6日跌停，*ST海源、新华锦、美邦服饰等跌停。 连板股方面，天普股份13连板，泰慕士5连板，杭电股份4连板，*ST宁科5天3板，长飞光纤4天3板，云 南旅游3连板，富佳股份、世嘉科技等3天2板，福龙马、*ST亚振等2连板，国睿科技、德明利等涨停。 9月19日午间，A股半日下来共有46只涨停股、12只跌停股。新疆国资概念活跃，新疆交建、天富能源 涨停；光刻机概念走强，永新光学3连板，凯美特气3天2板，海立股份涨停；能源金属板块上涨，赣锋 锂业涨停。 ...