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 - Quartz stocks have shown significant upward movement, with Quartz Co. achieving three consecutive trading limits, and other companies like Oujing Technology and Kaide Quartz also experiencing gains [1] - The recent surge in quartz-related stocks is attributed to the announcement from the Ministry of Natural Resources regarding the discovery of high-purity quartz mines in regions such as Dongqinling in Henan and Altay in Xinjiang [1] - Other companies in the sector, including Yishitong, Jinsai Technology, Zhongqi New Materials, and Kaisheng Technology, have also seen price increases, indicating a broader positive sentiment in the quartz industry [1]