据统计，南下资金已连续10日净买入腾讯，共计106.2116亿港元；连续7日净买入阿里，共计47.5655亿 港元；连续4日净买入华虹半导体，共计13.3901亿港元；连续3日净买入小米，共计14.2914亿港元；连 续12日净卖出中国移动，共计92.9936亿港元。(格隆汇) | ·100 | 沪股通 | | | 深股通 | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | 名称 | 潔跌幅 | 净买入额(亿) | 成交额 | 名称 | 涨跌幅 | 净买入额(亿) | 成交割 | | 腾讯控股 | -1.5% | 5.03 | 37.26 Z | 腾讯控股 | -1.5% | 1.60 | 26.62 Z | | 小米斯因-W | -2.7% | 2.87 | 30.51亿 | 阿里巴-W | -0.4% | 0.73 | 25.02 Z | | 阿里巴巴-W | -0.4% | -0.06 | 23.91 亿 | 中心国际 | -3.3% | -5.42 | 19.36 Z | | 泡泡母特 | 9.1% | 2.79 | 21.78 Z ...

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 603421 | 鼎信通讯 | 7.92 | 10.00% | 36.71万 | 2.87亿 | | 688100 | 威胜信息 | 46.16 | 7.15% | 12.84万 | · 5.98亿 | | 600487 | 亨通光电 | 27.78 | 2.58% | 168.27万 | 46.66 Z | | 920374 | 云里物里 | 26.19 | 0.69% | 9740.58 0 | 2537.64万 | | 601869 | 长飞光纤 | 118.40 | 0.48% | 18.14万 | 21.33亿 | | 300183 | 东软载波 | 15.92 | 0.44% | 9.04万 | 1.45亿 | | 301307 | 美利信 | 36.28 | 0.42% | 7.68万 | 2.78亿 | | 301577 | 美信科技 | 61.74 | 0.18% | 8711.45 | 5374.66万 | | 300555 | ...

截至1月20日收盘，太赫兹概念下跌3.15%，位居概念板块跌幅榜前列，板块内，盛路通信、天银机 电、雷科防务等跌幅居前，股价上涨的有4只，涨幅居前的有亨通光电、长飞光纤、凤凰光学等，分别 上涨2.58%、0.48%、0.28%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 环氧丙烷 | 5.78 | 军工信息化 | -3.29 | | 草甘膦 | 3.45 | 卫星导航 | -3.16 | | 丙烯酸 | 2.64 | 太赫兹 | -3.15 | | NMN概念 | 1.95 | 6G概念 | -2.98 | | 培育钻石 | 1.93 | F5G概念 | -2.97 | | 租售同权 | 1.75 | 成飞概念 | -2.87 | | 水泥概念 | 1.59 | 商业航天 | -2.78 | | 啤酒概念 | 1.52 | 海南自贸区 | -2.75 | | 广东自贸区 | 1.44 | 光纤概念 | -2.66 | | 高股息精选 | 1.39 | 共封装光学(CPO) | -2.65 | 资金面上看 ...

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 长飞光纤光缆（06869）盘中涨超5%，截至发稿，股价上涨3%，现报56.70港元，成交额11.39亿港元。 根据光电通信公众号数据显示，G.652.D光纤市场平均价连续两个季度上涨，价格回暖态势明显。甬兴 证券发布研报称，2025年第四季度长期作为市场主流的G.652.D普通光纤出现显著的价格上涨与供应紧 张，且部分大厂库存已无法满足自身订单，开始转向外采。光纤光缆行业需求结构发生变革。 值得注意的是，长芯博创发布2025年度业绩预告，预计归属于上市公司股东的净利润为3.20亿元-3.70亿 元，同比增长344.01%-413.39%。华泰证券此前表示，长飞光纤通过子公司长芯博创布局的MPO、 AOC、高速铜缆等光互联组件业务已成为强劲增长点，受益于北美AI数据中心建设，公司海外业务持 续拓展。 责任编辑：卢昱君 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 长飞光纤光缆（06869）盘中涨超5%，截至发稿，股价上涨3%，现报56.70港元，成交额11.39亿港元。 根据光电通信公众号数据显示，G.652.D光纤市场平均价 ...

值得注意的是，长芯博创发布2025年度业绩预告，预计归属于上市公司股东的净利润为3.20亿元-3.70亿 元，同比增长344.01%-413.39%。华泰证券此前表示，长飞光纤通过子公司长芯博创布局的MPO、 AOC、高速铜缆等光互联组件业务已成为强劲增长点，受益于北美AI数据中心建设，公司海外业务持 续拓展。 智通财经APP获悉，长飞光纤光缆(06869)再涨超5%，截至发稿，涨4.72%，报57.65港元，成交额10.7亿 港元。 消息面上，根据光电通信公众号数据显示，G.652.D光纤市场平均价连续两个季度上涨，价格回暖态势 明显。甬兴证券发布研报称，2025年第四季度长期作为市场主流的G.652.D普通光纤出现显著的价格上 涨与供应紧张，且部分大厂库存已无法满足自身订单，开始转向外采。光纤光缆行业需求结构发生变 革。 ...

长飞光纤（601869）光缆(06869)再涨超5%，截至发稿，涨4.72%，报57.65港元，成交额10.7亿港元。 消息面上，根据光电通信公众号数据显示，G.652.D光纤市场平均价连续两个季度上涨，价格回暖态势 明显。甬兴证券发布研报称，2025年第四季度长期作为市场主流的G.652.D普通光纤出现显著的价格上 涨与供应紧张，且部分大厂库存已无法满足自身订单，开始转向外采。光纤光缆行业需求结构发生变 革。 值得注意的是，长芯博创（300548）发布2025年度业绩预告，预计归属于上市公司股东的净利润为3.20 亿元-3.70亿元，同比增长344.01%-413.39%。华泰证券此前表示，长飞光纤通过子公司长芯博创布局的 MPO、AOC、高速铜缆等光互联组件业务已成为强劲增长点，受益于北美AI数据中心建设，公司海外 业务持续拓展。 ...

Core Insights - The global AI infrastructure investment is entering a new super cycle, driven by technology upgrades and supply shortages in key components, with significant growth expected in the AI network market until 2026 or 2027 [1] Group 1: Market Growth and Projections - The shipment of 800G optical modules is projected to increase from 20 million units in 2025 to 43 million units in 2026, while 1.6T optical module shipments are expected to surge from 2.5 million units to 20 million units [1] - The penetration rate of silicon photonics (SiPh) technology in the 800G/1.6T market is anticipated to reach 50-70% [1] - The optical module market is experiencing structural growth opportunities, with Ethernet optical module market revenue expected to surge by 93% in 2024, followed by 48% and 35% growth in 2025 and 2026, respectively [12] Group 2: Supply Chain Dynamics - Supply chain bottlenecks are expected to strengthen the competitive advantage of leading companies, with advanced optical chip production capacity projected to grow over 80% by 2026, yet still lagging behind demand by 5-15% [2] - Major players like Zhongji Xuchuang and Tianfu Communication are positioned to maintain significant market shares in the 800G/1.6T optical module market, with Zhongji Xuchuang expected to hold 25-30% and 35-40% shares, respectively [12] Group 3: Technological Advancements - The evolution of technology is critical, with AI giants like NVIDIA, Google, Meta, and Amazon AWS actively upgrading their network architectures through various technological paths, including SiPh, Co-Packaged Optics (CPO), and Optical Circuit Switching (OCS) [1] - CPO technology is expected to accelerate commercialization starting in 2026, with penetration rates projected to rise from 3% in 2026 to 20% by 2030, and market size expected to grow from $1.6 billion to $13.1 billion during the same period [14] Group 4: Market Segmentation and Trends - The optical fiber and cable market is showing a bifurcated trend, with strong demand from AI data centers, where AI application optical cable demand is expected to grow by 138% in 2024 and 77% in 2025 [13] - The Ethernet switch market is experiencing robust growth, with a 35.2% year-on-year increase in revenue in Q3 2025, and a significant rise in 800G switch revenue by 91.6% [17]

Market Overview - The Shanghai Composite Index rose by 0.29% on January 19, with 23 out of the 28 sectors experiencing gains, led by basic chemicals and petroleum & petrochemicals, which increased by 2.70% and 2.08% respectively [1] - The computer and communication sectors were the biggest losers, declining by 1.55% and 0.96% respectively [1] Capital Flow Analysis - The main capital outflow from the two markets totaled 35.714 billion yuan, with 13 sectors seeing net inflows [1] - The power equipment sector had the highest net inflow, with 7.597 billion yuan, followed by the basic chemicals sector with a net inflow of 1.331 billion yuan [1] Communication Sector Performance - The communication sector fell by 0.96%, with a total net capital outflow of 7.511 billion yuan [2] - Out of 124 stocks in the communication sector, 43 rose while 80 fell, with 4 hitting the daily limit down [2] - The top three stocks with the highest net inflow were NewEase, Changfei Optical Fiber, and Hengtong Optic-Electric, with net inflows of 830 million yuan, 349 million yuan, and 91 million yuan respectively [2] Communication Sector Capital Outflow - The top three stocks with the highest net capital outflow were Zhongji Xuchuang, Runze Technology, and Cambridge Technology, with outflows of 1.093 billion yuan, 910 million yuan, and 811 million yuan respectively [3] - Other notable stocks with significant outflows included Fenghuo Communication and Tianfu Communication, with outflows of 673 million yuan and 562 million yuan respectively [3]

今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 柔性直流输电 | 5.14 | WiFi 6 | -1.79 | | 特高压 | 4.29 | 小红书概念 | -1.55 | | 草甘膦 | 3.46 | F5G概念 | -1.55 | | 海南自贸区 | 3.42 | 快手概念 | -1.52 | | 环氧丙烷 | 2.99 | 互联网保险 | -1.50 | | 航空发动机 | 2.97 | 知识产权保护 | -1.46 | | 智能电网 | 2.93 | AI语料 | -1.46 | | 免税店 | 2.80 | EDR概念 | -1.39 | | 超级电容 | 2.76 | DRG/DIP | -1.30 | | 抽水蓄能 | 2.54 | 国资云 | -1.29 | 资金面上看，今日特高压概念板块获主力资金净流入49.76亿元，其中，58股获主力资金净流入，11股 主力资金净流入超亿元，净流入资金居首的是特变电工，今日主力资金净流入25.61亿元，净流入资金 居前的还有中国西电、保变电气、长飞光纤等 ...

Core Insights - The report provides an analysis of the global and Chinese optical module industry, highlighting the product layout of representative companies and a comparative analysis of segmented products. Group 1: Product Layout of Representative Companies - Major Chinese optical module companies have product lines covering transmission rates up to 800G and below, including 10G, 25G, 40G, 50G, 100G, 200G, 400G, and 800G modules [1]. - The table outlines the specific products offered by companies such as Guangxun Technology, Zhongji Xuchuang, and others across various transmission rates, indicating a comprehensive coverage in the optical module market [1]. Group 2: 10G Optical Module Market - The 10G optical module market is mature, primarily featuring XFP and SFP+ modules, with SFP+ being favored for its lower cost, smaller size, and strong compatibility [3]. - 10G data center solutions typically involve 10G switches paired with SFP+ modules and LC fiber jumpers, emphasizing the importance of matching switch rates with corresponding optical modules [3]. Group 3: 40G Optical Module Demand - The 40G optical module, particularly the QSFP+ type, is widely used due to its compact design and ability to meet high-density, high-speed market demands [6]. - Transitioning from 10G to 40G is driven by the need for increased bandwidth and throughput in data centers, with 40G solutions often involving 40G switches and QSFP+ modules [6]. Group 4: 100G Optical Module Applications - The 100G optical module is primarily utilized in cloud data centers and high-speed networks, with QSFP28 emerging as the mainstream packaging method [7]. - Significant technological advancements in 100G modules include digital coherent receiver technology and advanced error correction coding, catering to evolving user demands [7]. Group 5: 400G Optical Module Commercialization - The 400G optical module is set to become commercially viable in 2023, driven by the increasing demand from AI model training and 5G network construction [10]. - Major Chinese telecom operators are expected to deploy 400G modules extensively, with significant market share anticipated by 2024-2025 [10]. Group 6: 800G Optical Module Projections - The 800G optical module is projected to become mainstream by 2025, primarily driven by the needs of AI data centers for large-scale GPU cluster interconnections [13]. - Different types of 800G modules are categorized based on transmission distance, catering to various applications from data center interconnections to long-distance transmission [15]. Group 7: 1.6T Optical Module Development - The 1.6T optical module is expected to see commercial rollout in 2025, with gradual scaling from initial small batch shipments to larger production volumes by year-end [16]. - Key players like Nvidia and Zhongji Xuchuang are leading the early adoption and certification processes for 1.6T modules [18].