--- title: "Cambridge Technology slides 7% as optical sector weakens in Hong Kong" type: "News" locale: "en" url: "https://longbridge.com/en/news/294290797.md" description: "Cambridge Technology (6166.HK) fell 6.62% in Hong Kong trading to HK$66.25, tracking weakness in the optical communication sector." datetime: "2026-07-30T02:23:57.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294290797.md) - [en](https://longbridge.com/en/news/294290797.md) - [zh-HK](https://longbridge.com/zh-HK/news/294290797.md) generator: "portal-rs" --- # Cambridge Technology slides 7% as optical sector weakens in Hong Kong Cambridge Technology (6166.HK) fell **6.62%** in Hong Kong trading to **HK$66.25**. The optical communication sector weakened broadly, with Zhongji Innolight dropping nearly 9%, CIG sliding over 6%, and Yangtze Optical Fibre falling more than 4%. ### Related Stocks - [06166.HK](https://longbridge.com/en/quote/06166.HK.md) ## Related News & Research - [CIG Shanghai declares interim dividend of RMB 0.09 per share](https://longbridge.com/en/news/297651716.md) - [CIG Shanghai Declares Interim Dividend for First Half of 2026](https://longbridge.com/en/news/296793890.md) - [Why Billionaire Founder Jack Ma Just Bought $76.5 Million Worth of Alibaba Stock](https://longbridge.com/en/news/297430472.md) - [A startup founded by ex-DeepMind engineers wants to turn its customers into robot teachers](https://longbridge.com/en/news/297397870.md) - [Nanjing Sample Technology Doubles Revenue But Interim Loss Widens in 2026](https://longbridge.com/en/news/297443286.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**