Group 1 - A total of 52 stocks hit the daily limit, with 15 stocks experiencing consecutive limit-ups, including 6 stocks with three or more consecutive limit-ups [1] - The upgrade rate for consecutive limit-up stocks is 54.54%, excluding ST and delisted stocks [1] - High-position stocks rebounded strongly in the afternoon, with Guofang Group and Anji Food both achieving "limit-up" [1] Group 2 - The chemical sector, particularly price-increasing concepts, remained active, with notable performances from various stocks [1] - Xinjin Road in the quartz concept achieved 6 limit-ups in 10 days, while Hongqiang Co. in the epoxy propane concept had 5 limit-ups in 6 days [1] - Other notable stocks include Xianda Co. in the pesticide concept with 4 consecutive limit-ups, Yong'an Pharmaceutical in the taurine concept with 3 limit-ups in 4 days, and Erkang Pharmaceutical in the vitamin concept with a 20% limit-up [1]

Group 1 - The core viewpoint of the article highlights the active performance of companies related to propylene oxide, with Hongbaoli achieving a four-day consecutive increase in stock price [1] - Several companies, including Hongbaoli, Hongqiang Co., and Yida Co., have shown significant stock price increases, with Hongbaoli achieving a four-day consecutive rise and Yida Co. rising over 10% [1] - Major global chemical giants, Covestro and LyondellBasell, have announced the permanent closure of their joint propylene oxide production facilities, which have an annual production capacity of approximately 315,000 tons [1]