南方财经2月27日电，光纤概念盘中震荡回升，烽火通信触及涨停，创历史新高，震有科技、杭电股 份、中天科技、亨通光电跟涨。消息面上，2026年1月，中国市场G.652.D单模光纤价格平均价格超40 元/芯公里，创下近七年来新高，部分厂商报价达到50元/芯公里。 ...

Core Viewpoint - The rapid development of AI is driving an increased demand for upstream raw materials, leading to a rise in prices for these materials, particularly in the optical fiber market, which has reached a seven-year high with prices exceeding 40 yuan per core kilometer, reflecting an annual increase of over 80% [3][6]. Demand Side - The growth in AI computing power is significantly increasing the demand for high-speed connections within data centers and in non-traditional communication fields, leading to a surge in demand for new types of optical fibers such as multi-mode fibers and G.654.E fibers [6]. - Major tech companies like Microsoft are planning to deploy extensive lengths of hollow-core fiber for their AI data centers, indicating a strong market demand [6]. - The "East Data West Computing" national project in China is expected to generate a concentrated procurement demand for over 3 million core kilometers of ultra-low loss optical fibers by 2025 [6]. Supply Side - The production capacity of optical fibers is constrained by the availability of optical fiber preform rods, which are critical raw materials and represent a bottleneck in the supply chain [7]. - The expansion cycle for optical fiber preform rods is approximately two years, and the industry has seen cautious capital investment since 2019, resulting in a mismatch between supply and demand [7]. - The introduction of hollow-core fibers, which offer advantages such as low latency and low loss, is expected to change the market dynamics, although their high cost remains a barrier [7]. Market Concentration - Domestic manufacturers hold 80% of the global optical fiber preform capacity, enhancing their market power and limiting the expansion of traditional and hollow-core fiber production [8]. - The global optical fiber market is highly concentrated, with the top four manufacturers accounting for over 50% of the market share, and the top ten companies exceeding 90% [8]. Company Highlights - **Changfei Fiber**: A leading global company in the optical fiber industry, expected to reach a production capacity of 100 million core kilometers per year by 2025, benefiting from price increases [12]. - **Hengtong Optic-Electric**: Among the top three in optical fiber communication and submarine cables, with a projected capacity of 95 million core kilometers per year by 2025 [15]. - **ZTT**: A major player with a comprehensive product range and a projected capacity of 90 million core kilometers per year by 2025 [17]. - **FiberHome**: Unique in integrating optical communication systems, with a projected capacity of 85 million core kilometers per year by 2025 [19]. - **Tongding Interconnection**: Established a complete industry chain, with a projected capacity of 75 million core kilometers per year by 2025 [21]. - **Yongding Co., Ltd.**: Recognized as a national champion in fire-resistant communication cables, with a projected capacity of 70 million core kilometers per year by 2025 [23]. - **TeFa Information**: Focused on high-end optical communication products, with a projected capacity of 65 million core kilometers per year by 2025 [25].

格隆汇2月27日丨烽火通信(600498.SH)涨4.14%，报48.800元，股价创历史新高，总市值662.79亿元。 ...

Investment Rating - The industry investment rating is "Positive" and maintained [12] Core Insights - The communication sector saw a 2.35% increase in the 6th-7th week of 2026, ranking 6th among primary industries in the Yangtze River region; since the beginning of 2026, it has risen by 0.44%, ranking 27th [2][6] - Tower's silicon photonics revenue doubled, with a high demand for 1.6T, and capacity expansion plans have been adjusted with prepayments secured; silicon photonics modules continue to penetrate the market [2][10] - Vertiv's orders and backlog reached new highs, with a shipment-to-order ratio rising to 2.9 times [2][10] - ByteDance's Seedance 2.0 has industry-leading generation availability, while Google's Gemini 3.1 Pro tops the charts, and Anthropic's annual revenue is growing rapidly at $14 billion [2][10] - OpenAI's cumulative computing expenditure is expected to exceed $600 billion by 2030, with an upward revision of revenue forecasts [2][10] Summary by Sections Market Performance - In the 6th-7th week of 2026, the communication sector increased by 2.35%, ranking 6th among primary industries; since the start of 2026, it has risen by 0.44%, ranking 27th [2][6] - Among companies with a market capitalization above 8 billion, the top three gainers this week were Dawei Technology (+39.4%), Shengke Communication (+31.7%), and Shenling Environment (+29.6%); the top three decliners were Tongyu Communication (-11.7%), Dingtong Technology (-9.7%), and Xinke Mobile (-9.3%) [6] Company Highlights - **Tower**: In Q4 2025, revenue reached $440 million, a year-on-year increase of 13.7%, with GAAP net profit of $80 million, up 45.3%. The company expects silicon photonics revenue to reach $228 million in 2025, doubling from 2024, and has raised its capacity target from 3 times to over 5 times the Q4 2025 shipment [7] - **Vertiv**: In Q4 2025, revenue was $2.88 billion, a year-on-year increase of 22.7%, with GAAP net profit of $450 million, up 203.1%. The company reported a significant increase in organic orders, with a year-on-year growth of 252% [7] AI Model Developments - On February 12, ByteDance launched Seedance 2.0, achieving industry-leading performance in complex scenarios with a high generation availability rate [8] - Anthropic completed a $30 billion Series G financing round with a post-money valuation of $380 billion, reporting an annual revenue of approximately $14 billion [8] - On February 19, Google released Gemini 3.1 Pro, which ranked first in AI analysis, showing significant improvements in reasoning capabilities [8] Future Projections - OpenAI updated its financial outlook, projecting cumulative computing-related expenditures to exceed $600 billion by 2030, with training costs expected to rise significantly in 2025 and 2026 [9]

Market Overview - The market experienced a rebound after a dip, with mixed performance across the three major indices. Notable gains were seen in computing hardware stocks, particularly in CPO, PCB, and liquid cooling servers, with companies like Fenghuo Communication, Chuanrun Co., and ShenNan Circuit hitting the daily limit up. Conversely, the film industry continued to decline, with Bona Film Group facing a three-day limit down. Overall, approximately 2,900 stocks in the Shanghai and Shenzhen markets declined, with a total trading volume of 2.56 trillion yuan [1]. Key Sectors Optical Communication - The optical communication sector saw significant gains, with stocks like Farsens and Tongding Interconnection hitting the daily limit up. The surge was catalyzed by a 5.83% increase in Corning, a major player in the fiber optics market, which reached a historical high. Additionally, CPO leader Lumentum rose by 5.1%, also setting a new record [4][6]. Liquid Cooling - The liquid cooling sector strengthened, with companies such as Jialitu and Chuanrun Co. achieving daily limit up. This was influenced by NVIDIA's showcase of its next-generation Vera Rubin computing system, which is the first to utilize 100% liquid cooling technology [8][10]. Analysts predict that the liquid cooling server market in China will experience a compound annual growth rate of 46.8% from 2024 to 2029, reaching a market size of $16.2 billion by 2029 [10]. PCB (Printed Circuit Board) - The PCB sector also saw a notable increase, with stocks like ShenNan Circuit and Guanghe Technology hitting the daily limit up. Market expectations are high for the upcoming GTC conference, where the Feynman chip utilizing LPU low-latency architecture is anticipated to be showcased, potentially boosting PCB demand [10][12]. Analysts from Zheshang Securities believe that the upgrade of NVIDIA's GPU architecture will increase both the quantity and value of PCB used in their servers [12]. Company Highlights - Farsens, a leader in optical communication, has seen a four-day consecutive limit up, indicating strong market confidence [4][6]. - Jialitu and Chuanrun Co. are recognized for their advancements in liquid cooling technology, with Jialitu's stock rising by 9.98% [9]. - ShenNan Circuit, a key player in the PCB market, has also experienced a 10% increase in stock price, reflecting positive market sentiment [11].

消息面上，有券商研究员表示，商业航天板块仍是市场主线。近期更是有四大驱动突现：一是央地协同 发力，红利持续释放；二是融资IPO双爆发；三是高频发射序幕将启；四是技术突破催生大运力时代来 临。 2月26日，三大指数涨跌不一，创业板指盘中一度跌超1%，黄白线分化。板块方面，商业航天概念股狂 欢，春晖智控、中科环保双双20cm涨停，华丰科技、钢研高纳、电科蓝天等多股涨超10%，航天动 力、中天科技、烽火通信等多只概念股涨停。 华龙证券认为，我国商业火箭发射进入规模化阶段，政策持续加码，市场规模快速提升。截至2025年 底，中国商业火箭累计发射95次，标志着国家级星座开始进入规模化发射阶段。我国商业航天市场规模 2025年已突破2.5万亿元，从投资端来看，火箭和卫星制造为主要投资领域。2025年末，中国多型可回 收火箭密集进入回收验证阶段，为后续降本和高频发射奠定基础。 （文章来源：21世纪经济报道） ...

【导读】人民币继续升值，A股震荡 今天的A股市场整体偏震荡，但持有恒生科技指数的小伙伴们估计体感就稍微差一些，希望你们坚强挺 住！ 一起看看发生了什么事情。 2月26日，市场全天探底回升，三大指数涨跌互现。截至收盘，沪指跌0.01%，深成指涨0.19%，创业板 指跌0.29%，科创综指表现亮眼，涨超1%。 市场共2485只个股上涨，其中78只个股涨停；2870只个股下跌。 | 880005 涨跌家数 | | | | | --- | --- | --- | --- | | 日中 | 涨停 | | 78 | | 涨幅 | > 7% | | 152 | | 涨幅 | 5-7% | 1 | 133 | | 涨幅 | 3-5% | | 313 | | 涨幅 | 0-3% | | 1887 | | 跌幅 | 0-3% | | 2646 | | 跌幅 | 3-5% | | 179 | | 跌幅 | 5-7% | | 32 | | 跌幅 | > 7% | | 13 | | 其中 跌停 | | | 5 | | 上涨家数 | | | 2485 | | 下跌家数 | | | 2870 | | | | | 130 | | 平盘停牌 ...

专题：A股节后迎高胜率窗口 新一轮上行可期 热点栏目 自选股 数据中心 行情中心 资金流向 模拟交易 客户端 2．电网设备 北京科锐、神马股份、杭电股份等多股涨停。 截至收盘，沪指报4146.63点，跌0.01%；深证成指报14503.79点，涨0.19%；创指报3344.98点，跌 0.29%。 盘面上，元件、CPO、铜缆高速连接板块涨幅居前；影视院线、保险、房地产板块跌幅居前。 热点板块： 1．算力芯片 寒武纪涨近10%，聚飞光电、杰普特20cm涨停，中天科技、烽火通信等多股涨停。 消息面上，国产算力芯片龙头海光信息公告，预计一季度实现归属于母公司所有者的净利润6.2亿元— 7.2亿元，同比增长22.56%—42.32%。 炒股就看金麒麟分析师研报，权威，专业，及时，全面，助您挖掘潜力主题机会！ 2月26日消息，市场全天探底回升，三大股指涨跌不一。板块方面，算力芯片股午后拉升，明阳电路、 聚飞光电、杰普特20cm涨停；电网设备板块震荡走强，北京科锐、神马股份、杭电股份等多股涨停； 商业航天概念持续走高，抚顺特钢涨停；下跌方面，影视院线板块持续调整，博纳影业领跌；房地产板 块表现低迷，华联控股领跌；创新药板 ...

2026年2月26日，烽火通信（sh600498）触及涨停，涨停价46.86元，涨幅10%，总市值636.44亿元，流 通市值595.88亿元，截止发稿，总成交额69.40亿元。 根据喜娜AI异动分析，烽火通信涨停原因可能如下，产业基金设立+业务需求增长+治理结构完善： 1、 烽火通信处于战略转型期，积极布局产业链生态。公司设立10亿元产业基金，聚焦光通信、半导体等主 业，强化产业链协同，这一战略布局优化有望提升公司的核心竞争力和市场地位，为未来发展奠定基 础。同时关联交易额度大幅增加，反映出业务扩展需求，显示公司业务有增长态势。 2、从行业来看， 光通信及信息技术与通信技术融合领域是当前的热门赛道。随着5G、数据中心等建设的推进，对通信 系统设备、光纤光缆、数据网络产品等需求持续增长。同行业其他相关公司也可能受益于行业发展趋势 而表现良好，形成板块联动效应。东方财富数据显示，当日通信板块资金有一定流入，板块内多只个股 表现活跃。 3、公司在治理和资金管理方面有所改善。2026年2月新聘职工董事马守灏 ，职工董事选 举、减持计划终止等体现了治理结构的优化；按时归还募集资金、完成可转债兑付，显示良好财务管理 能 ...

02月26日消息，截止13:05，光纤光缆板块大涨，法尔胜、中天科技、亨通光电、杭电股份、通鼎互联 涨停，通光线缆、烽火通信、长飞光纤、永鼎股份等个股涨幅居前。 声明：市场有风险，投资需谨慎。本文基于第三方数据库自动发布，不代表新浪财经观点，任何在本文 出现的信息均只作为参考，不构成个人投资建议。如有出入请以实际公告为准。如有疑问，请联系 biz@staff.sina.com.cn。 责任编辑：小浪快报 ...