光刻胶异动！300538，直线涨停

Group 1 - The core point of the news is the significant stock price movements in the photoresist sector, with companies like Tongyi Co., Ltd. and Kemet Gas reaching their daily limit up [1] - Tongyi Co., Ltd. (300538) saw a price increase of 19.99%, closing at 20.71, while Kemet Gas (002549) increased by 10.00%, closing at 23.31 [2][3] - Other companies in the sector, such as Northern Huachuang and New Lai Materials, also experienced notable gains, with Northern Huachuang rising by 7.69% to 431.50 and New Lai Materials increasing by 5.97% to 55.18 [2][3] Group 2 - The stock price of N Hengkong surged by 294.93%, indicating a strong market interest in the photoresist sector [2] - The overall market performance for the photoresist sector was positive, with multiple companies showing significant percentage increases in their stock prices [1][2] - The trading volume and market dynamics suggest a robust investor sentiment towards companies involved in the photoresist industry [1][2]