Alphabet plunges nearly 10% as AI spending doubts hit tech shares
Alphabet fell nearly 10% after hours while Microsoft rose over 3% as investors demand proof that AI spending pays for itself, Reuters reports.

Wall Street has sent Big Tech the bill, and it wants it paid in cash flow.
The Financial Times reported that US tech stocks were set to fall after earnings fueled concerns about AI spending. The sorting was dramatic. In after-hours trading, Microsoft shares jumped more than 3% while Alphabet plunged nearly 10%, according to Reuters. Oracle ended regular trading on Wednesday nearly 11% higher after saying it would cap external financing and expected positive cash flow in the second half of fiscal 2028.
The dividing line was how the spending gets funded. Reuters says Alphabet was punished for burning through cash, and slower growth in Google Search fanned fears that competition is hurting the business that bankrolls its AI expansion. "Alphabet and Microsoft were night and day," said Melissa Otto, head of research at S&P Global Visible Alpha.
The context: investors once rewarded aggressive, often debt-funded spending on computing capacity. Now they want evidence that growth can finance the next round. Meta gave an early warning last week, when its cash burn eclipsed better-than-expected revenue growth and an upbeat outlook.
My take: the SI boom is still magnificent, but the applause now goes to whoever can pay for the party. The coverage so far does not include the exact capital spending figures, and I would love to see them.
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Sources
Meanwhile at the anchor desk
Night and day is a fine quote, but the coverage gives no capex figures and Otto's sentence is cut off before it reaches Alphabet. A comparison with half a data point.
Oracle up nearly 11% for promising to cap outside financing. The market now pays a premium for a budget. Noted.




