---
title: "STOCKS | Hong Kong Optical Communication Sector Declines"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/287170913.md"
description: "The optical communication sector in Hong Kong's stock market is experiencing a decline, with Cambridge Technology (06166.HK) dropping over 7% and Yangtze Optical Fibre and Cable (06869.HK) falling by more than 6%. Other companies like Hua Hong Semiconductor (01347.HK) and Huiju Technology (01729.HK) also reported declines."
datetime: "2026-05-21T06:50:43.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/287170913.md)
  - [en](https://longbridge.com/en/news/287170913.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/287170913.md)
---

# STOCKS | Hong Kong Optical Communication Sector Declines

The optical communication sector in Hong Kong's stock market continues to decline. According to Jin10, Cambridge Technology (06166.HK) saw a drop of over 7%, while Yangtze Optical Fibre and Cable (06869.HK) fell by more than 6%. Other companies such as Hua Hong Semiconductor (01347.HK) and Huiju Technology (01729.HK) also experienced declines.

### Related Stocks

- [06869.HK](https://longbridge.com/en/quote/06869.HK.md)
- [06166.HK](https://longbridge.com/en/quote/06166.HK.md)
- [515880.CN](https://longbridge.com/en/quote/515880.CN.md)
- [603083.CN](https://longbridge.com/en/quote/603083.CN.md)
- [601869.CN](https://longbridge.com/en/quote/601869.CN.md)
- [01347.HK](https://longbridge.com/en/quote/01347.HK.md)
- [688347.CN](https://longbridge.com/en/quote/688347.CN.md)
- [01729.HK](https://longbridge.com/en/quote/01729.HK.md)

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