光刻机、光刻胶概念异动拉升 国风新材4天2板

Group 1 - The core viewpoint of the article highlights a significant surge in the stocks related to photolithography machines and photolithography resins, indicating a positive market reaction [1] - Guofeng New Materials has reached a trading limit, marking its second consecutive day of gains within four days, showcasing strong investor interest [1] - Other companies such as Yongxin Optical, Hongtian Co., Huamao Technology, Jinghua Laser, and Huarong Chemical have also experienced rapid stock price increases, reflecting a broader trend in the sector [1]