---
title: "Optical Module Trio Plunge in A-Shares; EOPTOLINK : No Material Changes in Internal or External Operating Environment"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294311776.md"
description: "Optical module stocks Eoptolink, TFC, and Zhongji Innolight plunged in A-shares on the 30th. Eoptolink stated its operations are orderly with no material changes in internal or external environments. Meanwhile, Zhongji Innolight made a weak debut in H-shares, closing down 7.5% at HKD906.5 with significant turnover."
datetime: "2026-07-30T06:24:37.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294311776.md)
  - [en](https://longbridge.com/en/news/294311776.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294311776.md)
generator: "portal-rs"
---

# Optical Module Trio Plunge in A-Shares; EOPTOLINK : No Material Changes in Internal or External Operating Environment

The three major optical module players, namely "Yi Zhong Tian", plunged in the A-share market today (30th). EOPTOLINK (300502.SZ) -32.270 (-7.661%) , TFC (300394.SZ) -16.080 (-8.831%) and ZHONGJI INNOLIGHT (300308.SZ) -37.980 (-3.994%) each dropped by more than 13%. ZJ InnoLight (03308.HK) -31.000 (-3.163%) Short selling $92.93M; Ratio 1.319% made a weak debut on its first day of H-share listing. Its latest price in the afternoon session was HKD906.5, down 7.5% from the listing price of HKD980, with turnover reaching HKD7.774 billion.

Mainland media cited EOPTOLINK's response saying that the company's production and operating activities are currently progressing in an orderly manner, while no material changes have emerged in the internal or external operating environment, and there are no undisclosed material matters that should be disclosed.(da/a)(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2026-07-30 12:25.) (A Shares quote is delayed for at least 15 mins.)

### Related Stocks

- [03308.HK](https://longbridge.com/en/quote/03308.HK.md)
- [300308.CN](https://longbridge.com/en/quote/300308.CN.md)
- [300502.CN](https://longbridge.com/en/quote/300502.CN.md)
- [300394.CN](https://longbridge.com/en/quote/300394.CN.md)

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- [Zhongji Innolight Co.: Revenue and profit surged on booming global AI demand and successful Hong Kong listing](https://longbridge.com/en/news/296610520.md)
- [ZJ INNOLIGHT  Interim Net Profit Up 2.4x to RMB13.651B; Declares Interim Dividend of RMB12 per 10 Shares](https://longbridge.com/en/news/296699934.md)
- [ZJ INNOLIGHT: Order Demand for 2027 to Maintain Brisk Growth vs 2026](https://longbridge.com/en/news/296735703.md)
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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**