A股光刻胶概念股走强，赛微电子涨14%，腾景科技涨11%，国风新材涨停，彤程新材涨7%，东方嘉盛涨6%，南大光电涨4%，新莱应材、佳先股份涨超3%

Core Insights - The A-share market has seen a strong performance in the photoresist sector, with several stocks experiencing significant gains [1] Group 1: Stock Performance - Saiwei Electronics (300456) increased by 14.01%, with a total market capitalization of 22.3 billion and a year-to-date increase of 77.59% [2] - Tengjing Technology (688195) rose by 11.15%, with a market cap of 19.5 billion and a remarkable year-to-date increase of 275.25% [2] - Guofeng New Materials (000859) saw a gain of 9.97%, with a market cap of 6.424 billion and a year-to-date increase of 41.70% [2] - Tongcheng New Materials (603650) increased by 7.06%, with a market cap of 25.3 billion and a year-to-date increase of 19.30% [2] - Dongfang Jiasheng (002889) rose by 6.37%, with a market cap of 6.118 billion and a year-to-date increase of 13.31% [2] - Nanda Optoelectronics (300346) increased by 4.32%, with a market cap of 26.9 billion and a year-to-date increase of 21.84% [2] - Xinlai Materials (300260) rose by 3.64%, with a market cap of 22.6 billion and a year-to-date increase of 105.07% [2] - Xingye Co., Ltd. (603928) increased by 3.32%, with a market cap of 4.162 billion and a year-to-date increase of 93.98% [2] - United Chemical (301209) rose by 3.26%, with a market cap of 13 billion and a year-to-date increase of 500.15% [2] - Jiaxian Co., Ltd. (920489) increased by 3.14%, with a market cap of 2.78 billion and a year-to-date increase of 25.17% [2]