新浪合作大平台期货开户 安全快捷有保障 纳斯达克100指数期货下跌0.8%，标普500指数期货下跌0.3%。 投资者对大型云服务提供商高企的资本支出表示担忧，并质疑回报何时才能到来。他们密切关注人工智 能对软件等众多行业的颠覆性影响。 今年以来科技七巨头全线下跌；科技七巨头等权重指数年内累计下跌7.2%。 美股科技七巨头在盘前交易时段走低，交易员休假后重返市场。 科技七巨头全线下跌：苹果跌0.4%，微软跌0.5%，Meta跌1.1%，亚马逊跌0.2%，特斯拉跌1.1%，英伟 达跌1.1%，Alphabet跌0.1%。 责任编辑：刘明亮 美股科技七巨头在盘前交易时段走低，交易员休假后重返市场。 科技七巨头全线下跌：苹果跌0.4%，微软跌0.5%，Meta跌1.1%，亚马逊跌0.2%，特斯拉跌1.1%，英伟 达跌1.1%，Alphabet跌0.1%。 纳斯达克100指数期货下跌0.8%，标普500指数期货下跌0.3%。 投资者对大型云服务提供商高企的资本支出表示担忧，并质疑回报何时才能到来。他们密切关注人工智 能对软件等众多行业的颠覆性影响。 今年以来科技七巨头全线下跌；科技七巨头等权重指数年内累计下跌7.2%。 ...

SANTA CLARA, Calif.--(BUSINESS WIRE)-- #AIinSecurity--PurpleRidge (powered by RidgeBot® from Ridge Security) today announced the launch of its Automated AWS Account Audit, a direct response to recent security research showing attackers can compromise a cloud environment in as little as eight minutes. As hackers increasingly use LLMs to scan for exposed credentials in public S3 buckets, PurpleRidge moves beyond basic checklists to identify "Combined Risk Stories." The platform reveals how isolated weaknesses ...

Market Sentiment Vs. RealityAmazon recently faced a historic nine-day losing streak, its longest since 2006, resulting in a staggering $400 billion wipeout in market capitalization.The decline saw shares slide 18.19% in these nine days and 12.23% year-to-date, which was largely triggered by concerns over massive capital expenditure (CapEx) targets for AI infrastructure. However, Nicholson suggests this is a psychological phenomenon rather than a structural failure.“Nothing has fundamentally changed,” Nichol ...

More than half of Pershing Square Capital Management's portfolio is now invested in high-profile artificial intelligence (AI) stocks.This is, arguably, the most important week of data releases for the entire quarter on Wall Street -- and it has nothing to do with earnings reports.Today, Feb. 17, marks the deadline for institutional investors with at least $100 million in assets under management to file Form 13F with the Securities and Exchange Commission. A 13F allows investors to track which stocks the bri ...

Several big-time stocks are down from their highs.Right now is the perfect time to deploy some cash into some beaten-down stocks. The market has been poorly receiving most fourth-quarter earnings reports, and several stocks that rarely go on sale are cheap as a result.This opens up a great buying opportunity for many stocks on the market, and three at the top of my list are Microsoft (MSFT 0.16%), Alphabet (GOOG 1.08%) (GOOGL 1.08%), and Amazon (AMZN 0.41%).If you've got some cash waiting on the sidelines, ...

Core Viewpoint - The significant decline in the market value of major tech stocks is attributed to investor skepticism regarding the returns on massive investments in artificial intelligence, leading to a total market value loss exceeding $1.3 trillion since January 2026 [1]. Group 1: Impact on Major Tech Stocks - Microsoft has experienced a market value drop of approximately $613 billion, with its current valuation around $2.98 trillion [2]. - Amazon's market value has decreased by about $343 billion, currently valued at $2.13 trillion, reflecting a year-to-date decline of approximately 13.85% [3]. - Apple's market value has shrunk by $256.4 billion, now standing at $3.76 trillion, while Alphabet's valuation has decreased by $879.6 billion to $3.7 trillion [4]. Group 2: Investor Sentiment and Spending Concerns - Investors are increasingly focused on short-term financial transparency rather than long-term AI goals, indicating a shift in sentiment from previous speculative enthusiasm [5]. - Amazon's announcement of a projected 50% increase in capital investments this year has heightened concerns about rising costs in the AI development sector [6]. - Microsoft faces intense competition from Google's Gemini model and Anthropic's Claude Cowork AI, raising fears about profit compression and the adoption of its AI solutions [7]. Group 3: Emerging Companies - Taiwan Semiconductor Manufacturing Company (TSMC) has seen its market value increase by $293.9 billion, now valued at approximately $1.58 trillion [8]. - Samsung Electronics' market value has risen by $272.9 billion, reaching $817 billion [8]. - Walmart's market value has grown by $179.2 billion, now at $1.07 trillion, contrasting sharply with the losses of major tech stocks [8].

科 技 主 线 未 变 ， 但 " 躺 赢 时 代 " 正 在 结 束 如果只看前五大重仓股，大摩的选择并不意外，甚至可以说符合市场共识。 苹果（ Apple）升至第一大重仓股，英伟达（Nvidia）稳居第二，微软（Microsoft）、谷歌 （Google）和亚马逊（Amazon）依然构成组合的中枢。这一结构本身已经说明，大摩并未对科技 板块形成系统性看空判断。在宏观经济增长放缓的预期下，科技巨头凭借强大的现金流储备和垄断 性的市场地位，依然是资金避险与增值的首选港湾。大摩的持仓证明，科技作为未来十年全球经济 增长的核心引擎，其长期逻辑并未因短期波动而改变。 但细节更重要，魔鬼往往藏在数据的褶皱里。 在整体科技敞口保持稳定的同时，大摩显著降低了指数化、被动化的暴露。数据显示，其前十大持 仓合计占比仅 22.15%，远低于典型"抱团型"组合中常见的 30% 甚至 40% 的集中度。这意味 着，大摩并不指望靠市场整体的 Beta（贝塔收益）获得超额收益，而是开始更强调个股差异带来 的 Alpha（阿尔法收益）。 在美股高位震荡、宏观不确定性反复出现的背景下，投资者的情绪正陷入前所未有的撕裂。一边是 AI 浪潮带 ...

Core Viewpoint - Amazon's stock is experiencing a decline due to rising capital expenditures and concerns over an AI bubble, but this dip is viewed by some investors as a generational buying opportunity [1][2]. Financial Performance - Amazon plans to spend $200 billion on capital expenditures this year, significantly higher than the expected $150 billion [4]. - Amazon Web Services (AWS) generated $35.6 billion in revenue during the fourth quarter, marking a 24% year-over-year growth, the highest in 13 quarters [6]. - AWS backlog reached $244 billion, reflecting a 40% year-over-year increase and a 22% rise from the previous quarter [6]. Profitability and Cash Flow - AWS operates with high margins, often achieving operating margins in the mid-30% range, providing robust cash flow for Amazon [7]. - The company's e-commerce division experiences variability in profitability, but AWS's consistent margins offer financial flexibility for reinvestment [7]. Strategic Initiatives - Amazon is enhancing its AI capabilities through partnerships, notably with Anthropic, integrating its Claude model into the AWS ecosystem [9][10]. - The collaboration with Anthropic and the development of custom silicon are part of Amazon's strategy to build a cost-efficient, vertically integrated AI stack [10]. Investment Perspective - The current stock price is seen as heavily discounted relative to Amazon's potential upside, making it an attractive buy for long-term investors [11][13]. - The ongoing software bear market has brought Amazon's stock to its lowest levels during the AI revolution based on price-to-earnings trends [14].

NEW DELHI : Welcoming India’s new labour codes that have brought gig and platform workers under a formal social security framework, Amazon.com Inc. chief global affairs and legal officer David A. Zapolsky told Mint that the retail giant is working to scale up India's e-commerce exports through Amazon to $80 billion and support 3.8 million jobs by 2030. He said Amazon will support the country's exports with artificial intelligence (AI) tools for 15 million local small businesses. E-commerce exports from Indi ...

自2026年初以来，特斯拉、苹果等十余家大型企业已发出信号，称动态随机存取内存（DRAM）的短缺 将限制生产。苹果CEO库克警告，这将压缩iPhone的利润率；美光科技称这一瓶颈"前所未见"；特斯拉 CEO马斯克则直指问题的棘手本质，表示特斯拉将不得不自建内存制造厂。马斯克在1月底说："我们只 有两个选择：撞上芯片墙，或者建一座晶圆厂。" 造成上述局面的根本原因是AI数据中心的扩张。Alphabet、OpenAI等公司正大量消耗内存芯片产能，它 们正通过购买数百万片英伟达AI加速器（每片都配备大量内存）来运行聊天机器人及其他应用。这导 致消费电子厂商只能争夺三星、美光等供应商日益减少的芯片供应。 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！ 芯片行业有大变化？ 据彭博社消息，包括马斯克和库克在内的科技行业领袖，正不断警告一场全球危机正在酝酿：内存芯片 短缺开始冲击企业利润、打乱公司计划，并推高从笔记本电脑、智能手机到汽车及数据中心等各类产品 的价格。 据报道，人工智能热潮正引发存储芯片抢购热潮。从去年12月到今年1月份，某一类型DRAM的价格暴 涨了75%。越来越多零售商和中间商， ...