The Zhitong Finance App learned that the optical communication concept declined across the board. As of press release, Cambridge Technology (06166.HK) fell 10.92% to HK$94.35; Junzhi Group (01300.HK) fell 8.11% to HK$2.89; and Zhongji Xuchuang (03308.HK) fell 5.08% to HK$925.

The Zhitong Finance App learned that the optical communication concept declined across the board. As of press release, Cambridge Technology (06166.HK) fell 10.92% to HK$94.35; Junzhi Group (01300.HK) fell 8.11% to HK$2.89; and Zhongji Xuchuang (03308.HK) fell 5.08% to HK$925.