光模块(CPO)指数盘中跌幅超2%，成分股普遍走低

Group 1 - The core viewpoint of the news is that the optical module (CPO) index experienced a decline of over 2% during trading, indicating a negative trend in the sector [1] - Major component stocks in the optical module sector saw significant drops, with Guangku Technology falling by 5.56%, Tianfu Communication by 5.04%, Zhongji Xuchuang by 4.21%, Cambridge Technology by 4.07%, and Ruijie Network by 2.51% [1]