CHONGQING, CHINA - NOVEMBER 03: In this photo illustration, an Amazon logo is displayed on a smartphone screen with an OpenAI logo in the background on November 3, 2025 in Chongqing, China. OpenAI and Amazon have signed a $38 billion deal to run OpenAI's systems on Amazon's cloud services. (Photo by Li Hongbo/VCG via Getty Images)VCG via Getty ImagesAmazon stock has decreased by approximately 10.7% over the last week, driven by concerns regarding decelerating AWS growth, increased competition in the cloud s ...

市场整体表现 - 美股主要股指在周二交易中大幅收低，延续了周一的显著跌势，并创下一个月来最低收盘水平 [1] - 道琼斯工业平均指数下跌498.5点或1.1%，收于46,091.74点；纳斯达克综合指数下跌275.23点或1.2%，收于22,432.85点；标准普尔500指数下跌55.09点或0.8%，收于6,617.32点 [1] 科技行业与AI焦点 - 市场领涨股及AI热门股英伟达持续下跌，其股价周二下挫2.8%，周一已下跌1.8，市场关注其即将公布的季度业绩 [2] - 英伟达业绩强度及其业绩指引可能对市场产生重大影响，因市场近期担忧AI泡沫风险 [2] - Alphabet首席执行官Sundar Pichai表示当前AI热潮中存在一些"非理性"成分，并警告若AI泡沫破裂"没有公司能够幸免" [3] - 计算机硬件股表现最差，NYSE Arca计算机硬件指数暴跌3.7%；半导体和软件股也大幅走弱，拖累科技股权重较高的纳斯达克指数 [5] 其他行业表现 - 零售股表现疲软，道琼斯美国零售指数下跌2.4% [5] - 家得宝股价重挫6.0%，因其第三季度盈利不及预期并下调了全年盈利指引 [6] - 石油股逆势上涨，因原油价格大幅上涨，推动NYSE Arca石油指数上涨1.4% [6] 经济数据 - 美国商务部报告显示，8月份美国制成品新订单大幅反弹，环比增长1.4%，符合经济学家预期，7月为下降1.3% [4] - 交易员等待因政府停摆而延迟发布的一些美国经济数据，包括将于周四公布的9月就业报告 [4] 全球市场与债市 - 亚太地区股市周二大幅走低，日本日经225指数暴跌3.2%，香港恒生指数大跌1.7% [6] - 欧洲主要市场也显著下跌，法国CAC 40指数暴跌1.9%，德国DAX指数大跌1.8%，英国富时100指数下挫1.3% [7] - 国债市场回吐早盘涨幅但仍小幅收高，基准十年期国债收益率微降1.0个基点至4.123% [8]

市场整体表现 - 三大主要股指周二均下跌 道琼斯工业平均指数下跌约450点（跌幅0.9%） 标准普尔500指数下跌0.5% 以科技股为主的纳斯达克指数下跌0.8% [1] - 主要股指连续第四个交易日下跌 [1] 科技股领跌情况 - 大型科技股亚马逊和微软各下跌3.5% 加剧了英伟达（下跌2.8%）、Meta（下跌2.5%）、Palantir（下跌2.5%）、特斯拉（下跌2.4%）、Alphabet（下跌1.8%）、博通（下跌1%）和AMD（下跌5.5%）的跌势 拖累纳斯达克指数 [2] - 美国银行周二发布的全球基金经理调查显示 45%的受访投资者认为AI泡沫是市场面临的最高风险 [3] - 约53%的投资者认为AI股票已处于泡沫之中 较10月份创纪录的54%略有下降 [3] 其他行业及个股表现 - 家得宝股价下跌4.3% 领跌道指成分股 因其财报不及预期 [2] - 多家银行股价值下跌 包括Visa（下跌1.8%）、美国运通（下跌1.6%）、摩根大通（下跌0.7%）和高盛（下跌0.3%） [2] 市场担忧情绪 - 美国银行调查指出 AI泡沫风险是市场最大的感知风险 担忧部分公司被过度炒作且脱离其真实价值 [3] - 多数受访者自2005年以来首次表示担忧公司过度投资 这主要源于对AI热潮的规模和融资的担忧 [3]

LOGIN SUBSCRIBE | FastCo Works advertisement BYÂ Sam Becker Listen to this ArticleMore info 0:00 / 0:00 Meta Platforms has been spending too aggressively on artificial intelligence (AI) infrastructure and that will affect the tech giant's profitability, according to a new investor note from Wall Street analyst firm MoffettNathanson. MoffettNathanson has been a staunch defender of the Facebook and Instagram parent company, even when its shares have dipped in the past. But on Tuesday, analysts at the firm wro ...

master1305 / iStock via Getty Images Alphabet Inc. (NASDAQ: GOOGL) CEO Sundar Pichai told the BBC that no company in the sector is immune if the artificial intelligence (AI) bubble bursts. He admitted there are “elements of irrationality.” The statement harkens back to descriptions of the dot-com bubble, which knocked out hundreds of companies in 2000 and 2001. 24/7 Wall St. Key Points Alphabet Inc. (NASDAQ: GOOGL) CEO Sundar Pichai says no company in the industry is immune if the AI bubble bursts. C ...

市场表现与波动性 - 标普500指数本月以来下跌约2.6%，过去一周下跌约2.5% [1] - 芝加哥期权交易所波动率指数自11月11日以来飙升近35% [1] - 科技股集中的纳斯达克综合指数本月以来下跌约4.8%，过去一周下跌3.2% [3] 市场情绪与驱动因素 - 市场担忧估值过高、潜在的人工智能泡沫以及美联储进一步降息希望减弱 [1] - 根据CME FedWatch Tool，市场对12月再次降息的预期概率为46.6%，较一个月前大幅回落 [2] - 零售投资者对美国市场反弹的信心减弱，逢低买入活动显著放缓 [2] 人工智能领域风险 - 对人工智能估值过高的担忧给更广泛的市场带来压力 [3] - 人工智能热潮的可持续性担忧凸显了行业集中风险和潜在的系统性脆弱性 [4] - 人工智能繁荣的崩溃将几乎无一公司能幸免 [5] 防御性投资策略-ETF类别 - 价值型ETF代表估值偏低，例如Vanguard Value ETF (VTV)、iShares Russell 1000 Value ETF (IWD)和iShares S&P 500 Value ETF (IVE) [8] - 必需消费品ETF可增加投资组合平衡性和稳定性，例如Consumer Staples Select Sector SPDR Fund (XLP)、Vanguard Consumer Staples ETF (VDC)和iShares U.S. Consumer Staples ETF (IYK) [9][10] - 优质因子ETF可在市场不确定性中提供缓冲，例如iShares MSCI USA Quality Factor ETF (QUAL)、Invesco S&P 500 Quality ETF (SPHQ)和JPMorgan U.S. Quality Factor ETF (JQUA) [11] 投资组合构建方法 - 采用被动长期策略，如买入持有或定期定额投资，有助于应对潜在短期回调并定位长期可持续回报 [12] - 这些策略是创造投资组合动能和长期积累财富的有效方式 [13]

Throughout the blistering rally of the broader tech ecosystem, artificial intelligence represented the driving force. Suddenly, though, the catalyst that helped rapidly transform the economy is being blamed for its potential downfall. Given the staggering valuation spike that several companies have enjoyed, it's only natural that fears of an AI bubble have started to command the spotlight. What's more, the steep corrections of former Wall Street darlings have led to a rethink.It’s not just empty rhetoric. R ...

In August I wrote an investment piece titled "AI Bubble Talk is Cheap" for Zacks Confidential to highlight the facts and figures of the 5th industrial revolution being driven by companies like NVIDIA ((NVDA), Taiwan Semiconductor ((TSM), and OpenAI.So I've spent no small amount of time since August continuing to collect the "AI Bubble" arguments and pit them against sound research from AI investment wizards like Coatue Management. More on team Laffont coming up.And it's always fun. There's no better way to ...

Joining me now, Shai Balour, chief market strategist at Futurum. Shai, great to have you on. >> Thanks for having me.>> So, Shai, Nvidia is out with earnings on Wednesday afternoon. What do you expect. Is this the quarter we find out whether Nvidia's dominance is peaking.>> I mean, let's first uh get to what's happened the market ahead of Nvidia's earnings because what's happened in the past few weeks in the market is the anxiety around the Super Bowl of earnings. Can they keep delivering. Is this the possi ...

I am a full-time analyst interested in a wide range of stocks. With my unique insights and knowledge, I hope to provide other investors with a contrasting view of my portfolio, given my particular background.If you have any questions, feel free to reach out to me via a direct message on Seeking Alpha or leave a comment on one of my articles.Analyst’s Disclosure:I/we have a beneficial long position in the shares of AMZN, GOOG either through stock ownership, options, or other derivatives. I wrote this article ...