光通信模块板块领跌，下跌1.78%

Group 1 - The optical communication module sector experienced a decline, falling by 1.78% [1] - Tengjing Technology saw a significant drop of 6.24% [1] - Xinyi Technology decreased by 6.1% [1] - Zhongji Xuchuang fell by 5.25% [1] - Yuanjie Technology, Dongtianwei, and Guangku Technology all dropped over 3% [1]