A-share fiber-optic names swung higher intraday; Tefa Information reversed to hit the daily limit. Earlier Huamai Technology posted two limit-ups in four sessions. Hengtong Optic‑Electric, Huiyuan Communications, Shenyu Co., Zhongtian Tech and Yangtze Optical Fibre and Cable (YOFC) also advanced.

2026-09-21

A-share fiber-optic names swung higher intraday; Tefa Information reversed to hit the daily limit. Earlier Huamai Technology posted two limit-ups in four sessions. Hengtong Optic‑Electric, Huiyuan Communications, Shenyu Co., Zhongtian Tech and Yangtze Optical Fibre and Cable (YOFC) also advanced.