[Hong Kong optical communication stocks strengthen, Cambridge Technology (06166.HK) rises nearly 4%] Odaily Planet Daily News: Market data shows that Hong Kong optical communication stocks are strengthening, with Cambridge Technology (06166.HK) rising nearly 4%, Zhongji Innolight (03308.HK) rising over 3%, and other stocks such as Joyson Electronics (00699.HK), Axustech-P (01879.HK), Infinova Technology (01729.HK), and Lens Technology (06613.HK) following suit.