光模块(CPO)指数盘中下跌2%，主要成分股多数走低

Group 1 - The core point of the article highlights a decline in the optical module (CPO) index by 2%, with most constituent stocks experiencing a downturn [1] - Notable declines include Dongshan Precision and New Yisheng, both dropping over 5%, while Zhongji Xuchuang and Liante Technology fell over 4%, and Dekeli decreased by 3% [1]