港股光通信概念股全线走低，长飞光纤光缆跌超7%

Group 1 - The Hong Kong stock market saw a decline in optical communication concept stocks, with all listed companies in this sector experiencing losses [1] - Changfei Fiber Optics (06869.HK) dropped by 6.91%, trading at 86.2 HKD [1] - Huahong Semiconductor (01347.HK) fell by 4.2%, with a current price of 98.1 HKD [1] - Huiju Technology (01729.HK) decreased by 3.86%, now priced at 16.93 HKD [1] - Cambridge Technology (06166.HK) saw a decline of 3.06%, trading at 71.25 HKD [1] - Hongteng Precision (06088.HK) experienced a drop of 2.87%, with a price of 4.74 HKD [1]