--- title: "603083.SH (603083.SH) — Related News" type: "Symbol" locale: "en" url: "https://longbridge.com/en/quote/603083.SH/news.md" symbol: "603083.SH" name: "603083.SH" parent: "https://longbridge.com/en/quote/603083.SH.md" datetime: "2026-05-20T22:55:30.963Z" locales: - [en](https://longbridge.com/en/quote/603083.SH/news.md) - [zh-CN](https://longbridge.com/zh-CN/quote/603083.SH/news.md) - [zh-HK](https://longbridge.com/zh-HK/quote/603083.SH/news.md) --- # 603083.SH (603083.SH) — Related News ### [Dragon and Tiger List | CIG (603083) hit the daily limit, with the top 5 buyers purchasing a total of 1.182 billion yuan, and the top 5 sellers selling a total of 982 million yuan. Reason for being listed: The top five securities with a daily price fluctuation limit of 15%](https://longbridge.com/en/news/286889287.md) *2026-05-19T09:51:33.000Z* > Cambridge Technology (603083) hit the daily limit on May 19, closing at 202.42 yuan, with a circulating market value of ### [CIG: The company's demand for high-speed optical module orders is strong and is actively promoting expansion work](https://longbridge.com/en/news/286755466.md) *2026-05-18T10:29:59.000Z* > On the evening of May 18th, CIG (603083) disclosed the investor relations activity record form, stating that the company ### [Supply and demand imbalance causes special optical fiber prices to soar 10 times; domestic optical fiber and optical modules sell explosively worldwide](https://longbridge.com/en/news/286575803.md) *2026-05-15T13:39:07.000Z* > In the first quarter of this year, the price of specialty optical fibers increased tenfold, leading to a supply shortage ### [Understanding the Market | Optical Communication Concept Stocks Decline Further in the Afternoon, YOFC Drops Over 12%, CIG Falls Nearly 8%](https://longbridge.com/en/news/286513465.md) *2026-05-15T05:46:02.000Z* > The decline of optical communication concept stocks has widened in the afternoon, currently ranking among the top losers ### [](https://longbridge.com/en/news/286339335.md) *2026-05-14T01:27:45.000Z* > CPO concept stocks continued their upward trend, with KHtech hitting the daily limit for three consecutive sessions, Gon ### [Net outflow of HKD 660 million for HUA HONG SEMI through Hong Kong Stock Connect](https://longbridge.com/en/news/286079173.md) *2026-05-12T10:25:01.000Z* > According to the Hong Kong Stock Connect data, HUA HONG SEMI experienced a net outflow of HKD 660 million, becoming the ### [Understanding the Market | Optical Communication Concept Stocks Continue to Rise, YOFC Once Surged Over 8% to Reach a New High](https://longbridge.com/en/news/286019865.md) *2026-05-12T01:40:04.000Z* > Optical communication concept stocks continue to rise, with YOFC once increasing by over 8%, now up 5.94%, reported at H ### [The three major A-share indices opened higher collectively, and the optical module concept continued to strengthen](https://longbridge.com/en/news/286018659.md) *2026-05-12T01:30:18.000Z* > 36Kr learned that the three major indices of A-shares opened higher collectively, with the Shanghai Composite Index open ### [](https://longbridge.com/en/news/285868164.md) *2026-05-11T01:57:28.000Z* > Most optical communication stocks in the Hong Kong stock market rose, with HUA HONG SEMI up over 5%, CIG up over 3%, and ### [Zhitong Hong Kong Stock Connect Proportion Change Statistics | May 11](https://longbridge.com/en/news/285859295.md) *2026-05-11T00:37:03.000Z* > According to data from May 8, 2026, the Hong Kong Stock Connect shareholding ratios of NSING TECH, CIG, and SERES increa