A股光刻胶板块盘初活跃，康鹏科技涨超7%，久日新材、怡达股份涨超4%，上海新阳、晶瑞电材、佳先股份、广信材料跟涨。

Group 1 - The A-share photoresist sector is active in early trading, with Kangpeng Technology rising over 7% [1] - Jiuri New Materials and Yida Co., Ltd. both increased by more than 4% [1] - Other companies such as Shanghai Xinyang, Jingrui Electric Materials, Jiaxian Co., Ltd., and Guangxin Materials also experienced gains [1]