Big Tech Sheds Nearly $900 Billion as Soaring AI Spending Triggers Market Rout

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Big Tech companies lost nearly $900 billion in market value after third-quarter earnings revealed capital expenditures almost doubled to $207 billion. Alphabet, Amazon, and Meta now burn cash instead of generating it, while slowing revenue growth in legacy businesses raises questions about the sustainability of their AI infrastructure investments.

Big Tech Faces Historic Market Rout Over AI Cost Concerns

US tech stocks experienced a dramatic selloff as Big Tech companies shed nearly $900 billion in market value following third-quarter earnings reports that exposed the mounting financial strain of AI infrastructure investments

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. The tech-heavy Nasdaq tumbled nearly 1.4% on Thursday and opened Friday at its lowest level in more than two months, down 2.5%

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. Shares in the four major hyperscalers—Amazon, Meta, Microsoft, and Alphabet—all declined after revealing AI-related capital expenditures that almost doubled from a year earlier, raising alarm bells about slowing revenue growth in their core businesses

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Source: BBC

Source: BBC

AI Spending Doubles as Cash Flow Turns Negative

Collectively, capital expenditures for the big four hyperscalers rose to $207 billion in the third quarter from $113 billion a year earlier, mainly devoted to AI chips and data centers

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. Despite the negative market reaction, tech executives stuck to their plans to spend another $232 billion in the fourth quarter, potentially pushing total AI capex to $740 billion this year

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. The dramatic shift has turned some of the most profitable businesses in history into cash incinerators. Google, Meta, and Amazon, which generated $36.4 billion of free cash flow in the third quarter of 2025, together burned $45.2 billion of cash in the same period this year

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. Microsoft remained the lone hyperscaler generating positive free cash flow, though its cash generation declined 27% to $18.63 billion

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Source: Market Screener

Source: Market Screener

Alphabet Suffers Worst Single-Day Drop Ever

Alphabet's shares tumbled 13% on Thursday, wiping out half a trillion dollars in market value in the company's steepest decline ever

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. Investors reacted harshly to the Google parent's free cash flow falling to negative $9.1 billion from positive $24.5 billion a year earlier—only the second quarter of cash burn since it went public in 2004—as AI-related capital expenditures surpassed $50 billion

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. Google also reported a third consecutive quarter of slowing growth in its core search unit and a revenue miss that was compounded by accelerating AI-related cash burn

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. Executives admitted struggling to generate the same advertising revenue from its Gemini chatbot and AI mode answers versus its traditional list of links

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. Chief executive Sundar Pichai said the company could not bring new data centers online fast enough to satisfy demand for AI infrastructure investments

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Amazon and Intel Extend Losses in After-Hours Trading

Amazon shares, which fell nearly 5% at the close, plunged another 7% in extended trading after forecasting fourth-quarter revenue largely below Wall Street estimates

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. The tech giant reported negative $33.5 billion free cash flow in the period as it boosted AI capex to a record $75.8 billion

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. A 39% rise in cloud sales at Amazon Web Services to $46 billion was not enough to justify the soaring AI spending to the market, erasing nearly $200 billion from its value

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. Growth slowed in both retail and advertising, with online sales gaining just 2% year over year, decelerating from 10% a year ago

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. Intel shares tumbled 20% in after-hours trading, then fell as much as 30% in early Friday trading, after the chipmaker warned of a weaker computer market despite plans to increase AI spending

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. Intel reported that the AI boom's domino effect had hurt sales to personal computer makers due to memory chip shortages, with revenue projected at $15 billion to $16 billion in the fourth quarter, well below Wall Street projections of around $17 billion

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Legacy Businesses Struggle to Fund AI Buildout

The tech megacaps are collectively placing a multitrillion-dollar bet that their AI infrastructure spending will result in many years of profitable growth, but for now they're reliant on legacy businesses—whether online advertising, business software, or e-commerce—to fund their AI ambitions

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. Meta joined Alphabet and Amazon in reporting negative free cash flow of $2.12 billion, with AI capex expected to reach as high as $145 billion this year and analysts projecting it will pass $210 billion in 2027

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. Investors sent Meta shares down 7% after earnings despite the company beating on revenue, and Meta followed by announcing plans to raise $95 billion in stock to support its AI infrastructure investments

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. Alphabet has taken on tens of billions in debt and in June announced plans to raise about $85 billion in its first share sale in more than two decades

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Source: Benzinga

Source: Benzinga

Investor Concerns Mount Over AI Spending Sustainability

Brad Reback, an analyst at Stifel, said investors are growing more demanding of Big Tech and want evidence that AI infrastructure investments are translating into new revenue: "The market is telling us that the cost of capital matters and it is getting harder on the margin to finance these sites"

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. Brent Thill at Jefferies noted investors were spooked by good but not stellar earnings reports and growing concerns that limits of building physical infrastructure meant hyperscalers could not serve all their demand

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. The historic outlay on AI infrastructure across the tech sector is on track to exceed the percentage of US GDP spent on railroads or telecom and fiber

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. Shana Orczyk Sissel, founder and CEO of Banríon Capital Management, noted that while GDP is growing faster than expected due to AI-related growth, inflation is also rising faster for reasons unrelated to the AI buildout, putting consumers at a disadvantage

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. Rising interest rates are making it costlier for companies to raise debt, putting additional pressure on the financial impact of AI spending

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. Bernstein analyst Mark Shmulik dismissed the sell-off as a knee-jerk reaction but conceded investors are increasingly wary of another sizeable increase to AI-related capital expenditures next year

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