光通信模块板块领跌，下跌1.1%

Group 1 - The optical communication module sector experienced a decline of 1.1% on August 14 [1] - Among the companies, Huylv Eco fell by 4.18%, while Zhishang Technology dropped by 3.41% [1] - Other companies such as Zhongji Xuchuang, Liantech, Taicheng Light, and Zhongfu Circuit also saw declines exceeding 2% [1]