Hong Kong-listed optical-communications stocks tumbled: Haiguang Xinzhen (01191.HK) fell more than 13%, Xizhi Technology-P (01879.HK) fell more than 12%, Cambridge Technology (06166.HK) fell more than 9%, Yangtze Optical Fiber & Cable (06869.HK) fell

2026-07-17

Hong Kong-listed optical-communications stocks tumbled: Haiguang Xinzhen (01191.HK) fell more than 13%, Xizhi Technology-P (01879.HK) fell more than 12%, Cambridge Technology (06166.HK) fell more than 9%, Yangtze Optical Fiber & Cable (06869.HK) fell more than 7%.