化工板块反复活跃 红墙股份等多股涨停

Group 1 - The chemical sector has shown repeated activity, with several stocks, including Hongqiang Co., experiencing significant gains [1] - Hongqiang Co. has achieved a remarkable performance of 6 consecutive trading limits within 9 days [1] - Other companies such as Yuzhong Sanxia A, Suqian Liansheng, and Sanfu Co. also reached their trading limits, while United Chemical saw an increase of over 10% [1] Group 2 - Notable gainers in the sector include Dayang Bio, Jindan Technology, and Ando McA, which have shown strong performance [1]