沪深股通今日合计成交4141.5亿，其中紫金矿业和天孚通信分居沪股通和深股通个股成交额首位。板块主力资金方面，银行板块主力资 金净流入居首。ETF成交方面，巴西ETF（159100）成交额环比增长101 4%。 一、沪深股通前十大成交 今日沪股通总成交金额为1955. 28亿，深股通总成交金额为2186 .23亿。 | | 沖設運 ( | 3月3日 | ) | | | --- | --- | --- | --- | --- | | 排名 | 股票代码 | 股票名称 | | 成交金额(亿元) | | 1 | 601899 | 三十四年 | | 31.18 | | 2 | 601138 | 工业富联 | | 26.56 | | 3 | 601318 | 中国平安 | | 23.34 | | ব | 603986 | 兆易创新 | | 19.99 | | 5 | 600498 | 隆火通信 | | 18.18 | | 6 | 600519 | 贵州茅台 | | 17.84 | | 7 | 688008 | 測起科技 | | 16.12 | | 8 | 688256 | 寒武纪 | | 16.05 | | 9 | 6 ...

Economic Stability - Stability is the current foundation of the Chinese stock market, with the Shanghai Composite Index recently stabilizing and showing positive momentum[11] - The geopolitical situation in the Middle East has limited impact on the Chinese market, with expectations quickly forming and digesting after recent developments[11] - China's internal stability and accelerated development are increasingly necessary amid external uncertainties, supported by rising national strength and governance levels[11] Fiscal Policy and Economic Outlook - The upcoming National People's Congress is expected to lead to better-than-expected arrangements for deficit rates and special bonds, which will stabilize the real estate market[12] - In January and February 2026, the issuance of new special bonds reached CNY 830 billion, a year-on-year increase of 39.6%, likely boosting economic activity[12] - The recovery rates for construction sites and funding availability have increased by 1.5% and 3.7% respectively compared to the previous lunar year[12] Sector Recommendations - Emerging technology is a key focus, with recommendations for sectors such as machinery, electronics, and defense, emphasizing self-sufficiency and AI applications[13] - Financial stability is highlighted, with banks and non-bank financial institutions recommended for investment due to their role as market stabilizers[13] - Resource sectors, including metals and oil transportation, are expected to benefit from global security changes and domestic investment recovery[13] Risk Factors - Risks include potential overseas economic downturns and geopolitical uncertainties, as well as individual stock performance not meeting expectations[14]

国泰海通晨报 2026 年 03 月 03 日 国泰海通证券股份有限公司 研究所 [汤蔚翔 Table_Authors] (分析师) 电话：021-38676172 邮箱：tangweixiang@gtht.com 登记编号：S0880511010007 [Table_Summary] 1、【策略研究】：热点主题交易热度节后回升，金属资源品主题普涨，AI 应用主题回调。中东战 火强化能源资源价格，Token 出海成为 AI 投资新叙事，重视两会内需方向增量政策。 2、【汽车研究】汽车：展望 2026 年，乘用车销量预计温和增长，新能源高端化趋势明确，细分 市场供给加速释放。我们看好全球化布局领先、高端化表现亮眼、智能化能力突出的车企。 3、【固定收益研究】：战争冲击对债券的影响往往呈现"短期避险—中期再定价"的阶段切换， 判断持续性需同时跟踪通胀/财政路径与尾部风险指标，而非仅看单一期限利率点位。 4、【食品饮料研究】海天味业：引领"餐饮解决方案"及"复调"商业模式并举将保障公司中长 期超额收益，同时我们预计新一轮提价潮即将到来，顺势而为有望实现"量价齐升"。 5、【海外科技研究】MINIMAX-WP：极致性 ...

据智通财经报道，英伟达向Lumentum、Coherent分别投资20亿美元。 Lumentum主营光通信业务，业务涵盖OCS（光交换机）MEMS方案核心部件供应，2025年第四季度其OCS订单积压已突破4亿美元；Coherent则聚焦OCS液 晶方案及激光源等产品，是谷歌、英伟达等巨头的核心供应商。 分析认为，此次投资核心目的在于保障AI算力集群所需光器件供应。随着SerDes速率持续升级至224Gbps乃至更高，AI数据中心对高带宽、低功耗光互联需 求激增，而Lumentum与Coherent在OCS、CPO（光电共封装）核心部件激光源、光引擎等领域具备技术垄断优势。东吴证券指出，该投资将加速光通信、光 模块、CPO产业技术迭代，推动"光入柜内"趋势落地。 *免责声明：文章内容仅供参考，不构成投资建议 *风险提示：股市有风险，入市需谨慎 公司方面，据机构总结包括 | 品类 | 公司 | # # # # CPO相关技术和 | | --- | --- | --- | | | 锐捷网络 | 2021 年发布基于 112G SerDes 交换芯片、16 主营业务为网络设备及云计算解决方案,主要产品包括 1.6T/ ...

[Table_Page] 金融工程|专题报告 2026 年 3 月 2 日 证券研究报告 [Table_Title] 金融工程 高波动环境下如何捕捉热点板块的投资机会？ [Table_Summary] 报告摘要： 图：合成因子在万得光通信指数成分 股中多头组合净值走势 [分析师： Table_Author]安宁宁 SAC 执证号：S0260512020003 SFC CE No. BNW179 0755-23948352 anningning@gf.com.cn 分析师： 陈原文 SAC 执证号：S0260517080003 0755-82797057 chenyuanwen@gf.com.cn 分析师： 王小康 SAC 执证号：S0260525020002 无 wangxiaokang@gf.com.cn 请注意，陈原文,王小康并非香港证券及期货事务监察委员 会的注册持牌人，不可在香港从事受监管活动。 972918116公共联系人2026-03-02 22:00:33 1 / 22 识别风险，发现价值 请务必阅读末页的免责声明 [Table_Contacts] 0.9 1.4 1.9 0.9 1.9 2.9 ...

证 券 研 究 报 告 杠杆资金净流入规模大幅回暖 ——流动性&交易拥挤度&投资者温度计周报 2026年3月2日 证券分析师：姚佩 执业编号：S0360522120004 邮箱：yaopei@hcyjs.com 联系人：朱冬墨 邮箱：zhudongmo@hcyjs.com 本报告由华创证券有限责任公司编制 卖的出价或询价。本报告所载信息均为个人观点，并不构成对所涉及证券的个人投资建议。 请仔细阅读PPT后部分的分析师声明及免责声明。 @2021 华创 版权所有 核心结论 证 券 研 究 报 告 • 资金流动性： 证监会审核华创证券投资咨询业务资格批文号：证监许可（2009）1210 号 2 1）资金供给端：偏股型公募新发规模收缩至历史低位、杠杆资金净流出规模大幅回暖至历史高位、股票型ETF净流 出规模小幅收缩、回购金额维持在历史低位； 2）资金需求端：股权融资/产业资本净减持/南向资金净流入规模均出现收缩。 • 交易拥挤度：以过去四周成交额占比/市值占比（较全A）作为衡量主题行业交易热度的表征指标来看，本周热度 分位（下同）上行行业主要为：轻工+22pct至41%、煤炭+15pct至34%、建材+14pct至 ...

证券研究报告 | 2026年03月02日 金融工程月报 券商金股 2026 年 3 月投资月报 核心观点 金融工程月报 券商金股股票池上月回顾 2026 年 2 月，炬光科技、东方钽业、天孚通信等券商金股股票的月度上涨 幅度靠前。 2026 年 2 月，财通证券、东吴证券、国投证券收益排名前三，月度收益分 别为 14.54%、10.54%、9.85%，同期偏股混合型基金指数收益 1.04%，沪 深 300 指数收益 0.09%。 2026 年以来，国元证券、中邮证券、东吴证券收益排名前三，年度收益分 别为 25.15%、24.81%、21.17%，同期偏股混合型基金指数收益 8.44%， 沪深 300 指数收益 1.74%。 券商金股股票池中选股因子表现 最近一个月，总市值、SUE、预期股息率表现较好，EPTTM、剥离涨停动 量、日内收益率表现较差； 今年以来，总市值、分析师净上调比例、分析师净上调幅度表现较好，单季 度 ROE、EPTTM、日内收益率表现较差。 券商金股股票池本月特征 截至 2026 年 3 月 2 日，共有 39 家券商发布本月金股。在对券商金股股票 池进行去重后，总共有 273 只 A ...

据交易所数据显示，截至3月2日开盘一小时，主力资金流入前20的股票分别为： 比亚迪（14.27亿元）、 中国卫星（7.97亿元）、 雷科防务（7.30亿元）、 特变电工（6.51亿元）、 亨通光电（5.04亿元）、 飞龙股份（4.93亿元）、 东山精密（3.93亿元）、 中际旭创（3.81亿元）、 罗博特科（3.62亿元）、 长江 电力（3.56亿元）、 航天彩虹（3.46亿元）、 特发信息（2.84亿元）、 京东方Ａ（2.46亿元）、 长飞光纤（2.35亿元）、 天孚通信（2.33亿元）、 中科星图 （2.24亿元）、 华工科技（2.21亿元）、 中无人机（2.19亿元）、 东方电气（2.17亿元）、 宝丰能源（2.12亿元）。 | 股票名称 | 涨跌幅 (%) | 主力资金流向 | 所属行) | | --- | --- | --- | --- | | 比亚迪 | 3.55 | 14.27亿元 | 汽车 | | 中国卫星 | 7.71 | 7.97亿元 | 国 防军_ | | 雷科防务 | 10.02 | 7.30亿元 | 国防军_ | | 特变电工 | 3.76 | 6.51亿元 | 电力设备 | | 亨 ...

Macro Insights - The upcoming National People's Congress is expected to set the GDP growth target for 2026 at "4.5%-5%" and maintain a CPI target around 2%[6] - Key indicators to watch include whether the PMI can return to expansion territory and if the first quarter credit can achieve a "good start"[6] Market Performance - The overall market performance in January showed a 13.1% increase, while March saw a 31.4% rise, with a year-on-year increase of 82.3%[3] - The coal sector maintained a steady performance with a 11.3% increase in both January and March, and a 25.4% increase year-on-year[3] Investment Recommendations - Focus on sectors benefiting from price increases, such as chemicals, steel, and energy, as well as companies involved in AI and technology[9] - Recommended stocks include Yanzhou Coal Mining, Nanshan Aluminum, and Yanjing Beer, among others[9] Economic Indicators - The central bank's liquidity measures have led to a slight decline in deposit rates, maintaining a stable and loose monetary environment[14] - The carbon market saw a total transaction volume of 8.8 billion tons, with a cumulative transaction value of 587.2 billion yuan[23] Sector-Specific Trends - The environmental sector is expected to benefit from new policies in Zhejiang and Guangxi, promoting solid waste treatment and recycling[22] - The tourism market is projected to perform well throughout 2026, driven by ongoing policy support and consumer demand[26] Risks - Potential risks include unexpected changes in external environments, policy effectiveness, and geopolitical tensions[6] - The coal market faces risks from domestic production exceeding expectations and downstream demand not meeting projections[34]

Summary of Key Points from the Conference Call Industry Overview - The focus is on the **AI transceiver market**, which is projected to experience significant growth, with the total addressable market (TAM) expected to triple from approximately **US$18 billion in 2025 to US$50 billion by 2028** driven by advancements in AI data center architectures [1][29]. Core Insights - **Transceiver Demand Growth**: - AI transceiver demand is anticipated to rise from **41 million units in 2025 to 95 million units by 2028**. High-end transceivers (800G and 1.6T) are expected to be the primary growth drivers, with unit volumes increasing from **20 million in 2025 to 80 million in 2028** [19][28]. - The growth is attributed to three main factors: expansion of AI data centers, strong capital expenditures (capex) from major cloud players, and continuous product innovation in transceivers [28]. - **CPO (Co-Packaged Optics) Impact**: - CPO is recognized as a legitimate long-term risk to traditional pluggable transceivers, but its impact is projected to be limited in the medium term, with demand dilution expected to be **~3% in 2026, ~11% in 2027, and ~16% in 2028** [17][26]. - Large-scale adoption of CPO is not expected before **2027-2028**, primarily due to manufacturing challenges and the need for a mature ecosystem [17][90]. Company-Specific Insights - **Eoptolink**: Upgraded to **Overweight** with a price target raised to **Rmb460**. The company is expected to gain market share in the 800G and 1.6T segments, likely achieving above-industry growth [49]. - **Suzhou TFC**: Price target increased to **Rmb371** but maintained at **Equal Weight** due to recent price rallies reflecting potential positive impacts from CPO development [50]. - **Coherent**: Seen as having better opportunities compared to Lumentum, with expectations of significant revenue contributions from CPO solutions [51]. - **Lumentum**: Despite strong performance, the stock is viewed as vulnerable due to high expectations for future earnings growth [52]. Market Dynamics - The **competitive landscape** is shifting with CPO posing a threat to traditional transceiver companies by integrating optical components directly into switch packages, which could disrupt existing business models [80][81]. - **Copper technology** continues to evolve, maintaining its dominance in certain applications, which adds competitive pressure on optical transceivers [85]. Investment Recommendations - The report highlights several key stock recommendations based on the anticipated growth in the AI transceiver market and the potential impact of CPO: - **Eoptolink** and **LandMark** are identified as strong beneficiaries of the AI transceiver demand [75]. - **TSMC** and **ASE** are noted for their roles in CPO technology development, with expectations of significant contributions in the coming years [55][56]. Additional Considerations - The report emphasizes the importance of monitoring the **availability of critical substrate materials** and the potential supply bottlenecks that could arise as the industry shifts towards CPO architecture [66]. - The **shift from discrete transceivers to CPO** could pose structural challenges for PCB and connector vendors, with some companies likely to face direct pressure from this transition [63][64]. This summary encapsulates the key insights and projections regarding the AI transceiver market and the implications of CPO technology on traditional transceiver companies, along with specific company recommendations and market dynamics.