光模块、CPO概念股短线走低，东山精密跌超5%

Group 1 - The optical module and CPO concept stocks experienced a short-term decline, with Dongshan Precision falling over 5% [1] - Zhongji Xuchuang and Xinyi Sheng both dropped more than 4% [1] - Other companies such as Shijia Photon, Dongtian Micro, and Dekeli also followed the downward trend [1]