资讯日报：美以联手空袭伊朗，国际油价应声飙涨 股票市场概览 港股市场表现 日本主要指数一年表现 JING YI, CFA, CPA SFC CE No.: BRQ314 +852 2899 6747 jessiejing@guosen.com.cn 注：以上数据均来官方披露、公司资料，国信证券（香港）研究部整理，请务必阅读正文之后的信息披露及其项下所有内容。 富时新加坡海峡指数一年表现 数据日期：2026 年 2 月 27 日 资料来源：万得，国信证券（香港）财富研 究部整理 美股市场表现 2026 年 3 月 2 日 资讯日报 海外市场主要股市上日表现 | 指数 | 收盘价 | 日常跌 | 周常失 | 年初至今 | | --- | --- | --- | --- | --- | | | | (%) | (%) | 湖铁 | | | | | | (%) | | 恒生指数 | 26.631 | 0.95 | 0.82 | 3.90 | | 恒生科技 | 5.138 | 0.56 | (1.41) | (6.86) | | 恒生国企 | 8.859 | 0.51 | (1.12) | (0.61) | | 上证指 ...

科技七巨头全军失守，这并非单个公司的错，它更像是一只老鼠被猫惊到，市场在寻找下一个"安全港"，结果金银上演了逃命的逆袭，现货黄金突破5220美 元/盎司，白银大涨4%，这是资金的本能，股票下跌，贵金属上位——避险逻辑再简单却又复杂到让人无所适从； 中概股也没有幸免，世纪互联跌超7%，爱奇艺大跌5%，阿里巴巴跌超2%，这些数字告诉我们一件事，中国概念股在海外市场的脆弱性依然存在，宏观流动 性、监管预期、估值修正交织，任何一根导火索都可能引发连锁反应； 对中国投资者而言，这样的美股暴跌提醒了两点，一是海外市场的风险并非遥远的新闻，它会在你我账户上留下痕迹，二是资产配置不能只看过去的溢价收 益，要看承受风险的能力和时间窗口，换句话说，别拿短期的高收益去冒长期的风险； | 贵金属 △ | | | | --- | --- | --- | | 伦敦金现 | 伦敦银现 | COMEX黄金 | | 5226.630 | 91.800 | 5241.1 | | +45.530 +0.88% | +3.526 +3.99% | +46.9 +0.90% | | COMEX白银 | SHFE更全 | SHFE自银 | | 91.9 ...

Investment Rating - The report maintains an "Overweight" rating for the industry, recommending investment in AI computing, cloud vendors, AI applications, and AI social sectors [5]. Core Insights - Nvidia's guidance exceeded expectations, showcasing significant advantages in token economics. The company's data center revenue surpassed expectations, with a year-on-year increase of 73% to $68.1 billion, and data center revenue alone rose by 75% to $62.3 billion. The customer base diversified, with revenue from cloud service providers (CSPs) slightly exceeding 50% [5][8]. - Baidu Group's performance is under short-term pressure, but the proportion of AI-driven revenue is increasing. In Q4 2025, Baidu's total revenue was 32.74 billion yuan, down 4.1% year-on-year, while core revenue decreased by 5.7% to 26.11 billion yuan. AI-related revenue exceeded 11 billion yuan, accounting for 43% of core revenue [5][9]. - Google released the new image generation model Nano Banana 2, enhancing multimodal capabilities and improving generation efficiency and cost performance [5][10]. Summary by Sections Weekly Overview - Nvidia's guidance exceeded expectations, with data center revenue increasing by 75% year-on-year. The company raised its revenue guidance for Blackwell and Rubin to a combined $500 billion [8]. Baidu Group Performance - Baidu's total revenue in Q4 2025 was 32.74 billion yuan, with AI cloud revenue growing by 34% year-on-year. AI-related revenue accounted for 43% of core revenue [9]. Google Developments - Google launched Nano Banana 2, which improves image generation efficiency and supports various aspect ratios and up to 4K resolution output [10]. Investment Recommendations - Recommended stocks include Nvidia (NVDA.O), TSMC (TSM.N), ASML (ASML.O), and major cloud vendors like Microsoft (MSFT.O), Amazon (AMZN.O), and Google (GOOGL.O) [25].

证券分析师 2026年03月02日 离子阱路线商业化验证;树突信号 发现为算力效率提供新物理路径 卡来产业周报第 11 期（2026/2/22-2026/2/28） 相关研究 《AI4S 制药进入生态化竞争,具身 智能大脑基模实现时空记忆 来产业周报第 10 期 (2026/2/8-2026/2/21) 》 2026/02/23 《量子互联网可扩展性进步; 侵入式 脑机,迈入商业化阶段 未来产业 周报第９期(2026/2/1-2026/2/7)》 王雪蓉 A0230523070003 wangxr@swsresearch.com 牟璋璋 A0230524100002 mujj@swsresearch.com 刘雅婧 A0230521080001 liuyj@swsresearch.com 刘洋 A0230513050006 liuyang2@swsresearch.com 王胜 A0230511060001 wangsheng@swsresearch.com 联系人 王雪蓉 A0230523070003 wangxr@swsresearch.com 请务必仔细阅读正文之后的各项信息披露与声明 2026/02/ ...

《AI4S 制药进入生态化竞争，具身 智能大脑基模实现时空记忆——未 来产业周报第 10 期 （2026/2/8-2026/2/21）》 2026/02/23 《量子互联网可扩展性进步；侵入式 脑机迈入商业化阶段——未来产业 周报第 9 期（2026/2/1-2026/2/7）》 证券分析师 王雪蓉 A0230523070003 wangxr@swsresearch.com 牟瑾瑾 A0230524100002 mujj@swsresearch.com 刘雅婧 A0230521080001 liuyj@swsresearch.com 刘洋 A0230513050006 liuyang2@swsresearch.com 王胜 A0230511060001 wangsheng@swsresearch.com 联系人 王雪蓉 A0230523070003 wangxr@swsresearch.com 策 略 研 究 证 券 研 究 报 告 2026 年 03 月 02 日 离子阱路线商业化验证；树突信号 发现为算力效率提供新物理路径 ——未来产业周报第 11 期（2026/2/22-2026/2/28） 相关研究 ...

Key Insights - The report highlights the competitive landscape in the AI sector during the Spring Festival, with major players like ByteDance, Alibaba, and Tencent achieving significant user engagement and interaction through their AI applications [1][8] - The report discusses the advancements in autonomous driving, including legislative support in the US and significant developments from companies like Tesla and Waymo, indicating a growing market for self-driving technology [2][9] - The US Supreme Court's ruling against the "reciprocal tariffs" imposed by the Trump administration is expected to impact trade dynamics significantly, affecting various sectors [3][10] Recent Key Events - ByteDance's AI model generated over 50 million new year avatars and achieved 19 billion interactions during the Spring Festival, showcasing its strong user engagement [1][8] - Alibaba's "Qianwen" app facilitated nearly 200 million orders during the holiday, with a notable user base of older adults successfully utilizing the service [1][8] - Tencent's user engagement metrics reached new highs, with over 50 million daily active users during the Spring Festival, reflecting the effectiveness of its promotional activities [1][8] Market Situation - The Hang Seng Index fell from 27,387 points at the end of January to 26,381 points by February 26, marking a decline of 3.7% [11] - The Hang Seng Technology Index experienced a more significant drop of 10.6% during the same period [11] - Net inflows from southbound trading reached 75.6 billion HKD in February, indicating a positive trend in capital movement [12] Current Investment Recommendations - Focus on growth-oriented real estate and energy companies such as Beike-W, China Qinfa, and Power Development, which are expected to perform well in the current market [21] - Consider companies benefiting from the adjustment of the Hong Kong Stock Connect, like Leshushi, which is positioned for growth in the African hygiene products market [21] - Internet companies like Alibaba and Tencent are recommended due to their advancements in AI and strong market positions [21] Company-Specific Insights - Beike-W (2423.HK) is positioned as a leader in the real estate brokerage sector, with expected net profits of 37.1 billion CNY in 2025, reflecting a growth trajectory despite market challenges [22][24] - China Qinfa (0866.HK) is transitioning away from coal operations in Shanxi and focusing on its growing Indonesian coal business, with projected profits of 6.1 billion CNY by 2026 [25][26] - Leshushi (2698.HK) is a leading player in the African hygiene products market, with a projected net profit growth of 18.5% in 2025, driven by increasing market penetration [35][36] - Alibaba (9988.HK) is enhancing its AI capabilities with the launch of the Qwen3.5 model, which is expected to drive significant revenue growth across its platforms [39][40] - Tencent (0700.HK) is experiencing strong growth in its gaming and advertising segments, with a projected revenue increase to 7,530 billion CNY by 2025 [44][46]

来源：中国证券报-中证网 Wind数据显示，当地时间2月27日，美股三大指数全线收跌，道指跌1.05%。 美股科技股、银行股普跌，高盛集团跌超7%，英伟达跌超4%，苹果跌逾3%。中概股多数下跌，阿特斯 太阳能、爱奇艺等跌幅居前。 大宗商品市场方面，国际贵金属价格普涨，白银大涨，国际油价上涨。 美股三大指数全线收跌 当地时间2月27日，美股三大指数全线收跌。Wind数据显示，截至收盘，道指跌1.05%报48977.92点， 标普500指数跌0.43%报6878.88点，纳指跌0.92%报22668.21点。 中概股多数下跌，纳斯达克中国金龙指数跌1.81%。个股方面，阿特斯太阳能、爱奇艺、世纪互联、蔚 来等跌幅居前；金山云、涂鸦智能等涨幅居前。 | W 京新 | 成分 | 资讯 | 相关基金 | 月度收益 | | --- | --- | --- | --- | --- | | 名称 | | | 现价 | 涨跌 == | | 阿特斯太阳能 | | | 17.710 | -11.18% | | CSIQ.O | | | | | | 灿谷 | | | 0.762 | -9.47% | | CANG.N | | | | ...

一、市场: ●2月28日收盘：美股收跌道指跌逾500点 三大股指本周均录得跌幅 周五美股成交额靠前的公司表现不一。英伟达收跌4.16%，虽业绩超预期，但投资者担忧人工智能支出可持续性。特斯拉收跌1.49%，多家联邦机构对xAI工 具有安全担忧，而五角大楼允许其聊天机器人用于机密环境。微软收跌2.24%，重申与OpenAI合作稳固。苹果收跌3.21%，同意提高三星存储芯片价格。奈 飞收高13.77%，退出竞购被视为注重财务纪律。闪迪收跌2.54%，遭做空机构质疑估值。戴尔收高21.93%，业绩超预期且下季营收预测强劲。 ●2月28日热门中概股多数下跌 金山云涨6.98%，蔚来跌4.32% 周五油价上涨逾2%，交易商在美国与伊朗延长核谈判后，对潜在供应中断保持警惕。布伦特原油期货和纽约商品交易所4月交割的西得州中质原油期货均有 涨幅。不确定性及恐惧情绪推高油价，受伊朗核谈判及美可能军事行动影响。美伊周四间接会谈，期间因美要求伊朗零铀浓缩讨论陷入僵局致油价上涨，后 阿曼调解人表示取得进展，油价回落。双方计划下周在维也纳恢复技术讨论。因担心冲突中断供应，油价有地缘政治风险溢价。此外，阿联酋、沙特计划增 产，沙特或提高 ...

每经记者｜杜波 每经编辑｜何小桃 编辑|何小桃 易启江 校对|陈俊杰 2月27日晚，美国开盘后加速下跌。截至发稿，道指跌1.55%，跌760点；纳指跌1.17%；标普500指数跌0.95%。市场上超3700只个股下跌。 美国科技七巨头全部下跌。其中，英伟达继昨日跌超5%后，今日再次跌超2%，950亿美元（约合人民币6515亿元）市值蒸发！ | 谷歌(ALPHABET). | 306.320 | -0.27% | | --- | --- | --- | | GOOG.O | | | | 亚马逊(AMAZON) | 205.630 | -1.10% | | AMZN.O | | | | 苹果(APPLE) | 268.980 | -1.45% | | AAPL.O | | | | 特斯拉(TESLA) | 402.375 | -1.52% | | TSLA.O | | | | 脸书(META PLATF | 640.605 | -2.50% | | META.O | | | | 英伟达(NVIDIA) | 180.400 | -2.43% | | NVDA.O | | | | 微软(MICROSOFT | 391 ...

| < W | 英伟达(NVIDIA) | | | --- | --- | --- | | | NVDA.O | | | 184.900 | 量 3.60亿 股本 243亿 市盈 ™ 37.4 万得 | | | -10.660 --5.45% | 盘口 换 1.48% 市值14.5万亿 市净＂ 28.56 | | | ■ ▼ | 更多 向 五日 日K 周Ｋ 月Ｋ | | | 叠加 | 均价： 187.359 ೈ □ | | | 206.738 | 5.72% 卖1 184.930 | | | | 买1 184.880 | 50 | | | 16:00 184.920 100 | | | 195.560 | 0.000 16.00 184.920 | 27 | | | 16:00 184.920 | 20 | | | 16:00 184.920 | 20 | | | 16:00 184.920 | 25 | | 184 | 16:00 184.920 | 50 | 消息面上，英伟达近日公布了其2025财年第四季度财报，英伟达数据中心业务收入同比增长75%，达623亿美元，但约一半销售额来自超大规模客户，引 发需 ...