光刻机概念盘初活跃 波长光电、永新光学双双涨停

Group 1 - The core viewpoint of the news highlights the active performance of the photolithography machine sector, with significant stock price increases for several companies [1] - Companies such as Wangguang Optoelectronics and Yongxin Optics reached their daily limit increase, indicating strong market interest [1] - Other companies in the sector, including Sudavige, Maolai Optics, Lanying Equipment, Xinlai Materials, and Guolin Technology, saw stock price increases exceeding 5% [1]