Fiber optic concept quickly warms up, Hangdian shares hit the limit up.

The concept of fiber optics quickly warmed up, Hangdian Co., Ltd. hit the limit up, Faerchen previously hit the limit up, Tonding Interconnect rose by more than 6%, Hentong Optical, Yongding Stock, Zhongtian Technology, Changguang Huaxin, and Zhishang Technology followed the rise.