Zhitong Finance App learned that optical communication concept stocks had the highest gains. As of press release, Cambridge Technology (06166.HK) rose 8.90% to HK$74.05; NaGN Technology (09856.HK) rose 3.90% to HK$21.82; Haiguang Xinzheng (01191.HK) rose 3.43% to HK$86; Zhongji Innox (03308.HK) rose 2.66% to HK$693.5.

Zhitong Finance App learned that optical communication concept stocks had the highest gains. As of press release, Cambridge Technology (06166.HK) rose 8.90% to HK$74.05; NaGN Technology (09856.HK) rose 3.90% to HK$21.82; Haiguang Xinzheng (01191.HK) rose 3.43% to HK$86; Zhongji Innox (03308.HK) rose 2.66% to HK$693.5.