---
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/282141556.md"
description: "A-share fiber optic concept stocks became active again. SDGI hit the daily limit in the afternoon, YCIG had previously hit the daily limit, and YOFC rose over 7%, with their stock prices all hitting record highs. HYC hit its fifth consecutive daily limit, while ETERN, NEO, TGC, and others were among the top gainers"
datetime: "2026-04-09T06:06:33.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/282141556.md)
  - [en](https://longbridge.com/en/news/282141556.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/282141556.md)
---

# 

A-share fiber optic concept stocks became active again. SDGI hit the daily limit in the afternoon, YCIG had previously hit the daily limit, and YOFC rose over 7%, with their stock prices all hitting record highs. HYC hit its fifth consecutive daily limit, while ETERN, NEO, TGC, and others were among the top gainers.

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