化学化工板块震荡拉升，尤夫股份触及涨停

Group 1 - The chemical sector experienced a significant rally, with Youfu Co., Ltd. (002427) hitting the daily limit up [1] - Suzhou Longjie (603332) saw an increase of over 5% [1] - Other companies such as Saitex New Materials, Tiansheng New Materials (300169), and Satellite Chemical (002648) also reported notable gains [1] Group 2 - There is a noticeable influx of dark pool funds into these stocks [1]