Hong Kong-listed optical-communications names fell, led by Yangtze Optical Fiber
& Cable (06869.HK) down more than 9%, Sunny Optical Technology (02382.HK) off
over 8%, Huiju Technology (01729.HK) down more than 7%, Cambridge Technology
(06166.HK) off nearly 6% and Xizhi Technology-P (01879.HK) down over 4%.