The optical fiber concept sector opened lower. Changfei Optical Fiber fell more than 8%, while Zhengfan Technology, Changguang Huaxin, Changjiang Communications, and Tianfu Communications followed suit.

The optical fiber concept sector opened lower. Changfei Optical Fiber fell more than 8%, while Zhengfan Technology, Changguang Huaxin, Changjiang Communications, and Tianfu Communications followed suit.