China A-share fiber-optic sector rebounded intraday; Tongding Interconnection hit the daily limit, Changyingtong rallied 17%. Yangtze Optical Fiber and Cable, Zhongtian Technology, Hengtong Optic‑Electric and Tefa Information also advanced.

2026-07-31

China A-share fiber-optic sector rebounded intraday; Tongding Interconnection hit the daily limit, Changyingtong rallied 17%. Yangtze Optical Fiber and Cable, Zhongtian Technology, Hengtong Optic‑Electric and Tefa Information also advanced.