--- title: "The optical communication sector has undergone significant adjustments, and HFM has hit the daily limit down" type: "News" locale: "en" url: "https://longbridge.com/en/news/263434617.md" description: "The optical communication sector has undergone significant adjustments, with HFM hitting the daily limit down, and Tianfu Communication, Dingtong Technology, Hangdian Co., Ltd., Nanya New Materials, Jingwang Electronics, Dekeli, and others following suit" datetime: "2025-10-30T06:21:11.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/263434617.md) - [en](https://longbridge.com/en/news/263434617.md) - [zh-HK](https://longbridge.com/zh-HK/news/263434617.md) --- # The optical communication sector has undergone significant adjustments, and HFM has hit the daily limit down The optical communication sector has undergone significant adjustments, with HFM hitting the daily limit down, followed by declines in Tianfu Communication, Dingtong Technology, Hangdian Co., Ltd., Nanya New Materials, Jingwang Electronics, Dekeli, and others ### Related Stocks - [603011.CN](https://longbridge.com/en/quote/603011.CN.md) ## Related News & Research - [This New Solar Battery Stores Energy Without Lithium or the Grid](https://longbridge.com/en/news/287211325.md) - [Future Energy Ventures joins GridCARE USD 64 million Series A round led by Sutter Hill Ventures](https://longbridge.com/en/news/287232385.md) - [13:41 ETUT Haslam Marks Decade in Major International Ranking's Top Five U.S. Public Schools](https://longbridge.com/en/news/286804132.md) - [ROI-Texas cuts gas use as ERCOT clean power momentum keeps growing: Maguire](https://longbridge.com/en/news/287164492.md) - [Energo-Pro upgrades 280 MW hydropower plant in Turkey with PV park](https://longbridge.com/en/news/287108366.md)