Alphabet loses about $500 billion in its worst day ever as AI erodes search adsAlphabet shares fell 12.6% on Thursday, the company's worst day on record, erasing about $500 billion of market value, the second-largest one-day loss for any U.S.
Alphabet shares fell 12.6% on Thursday, the company's worst day on record, erasing about $500 billion of market value, the second-largest one-day loss for any U.S. company after Nvidia's in January 2025, NBC News reports. Quarterly revenue missed forecasts as executives said Google's AI Mode shows fewer ads, while investors balked at commitments of more than $1 trillion to AI infrastructure and planned spending above $200 billion this year. The sell-off pulled the Nasdaq down 1.4% and hit data-center suppliers such as Caterpillar, and Amazon shares fell after hours on its own results.
Why it matters: The market is now punishing hyperscaler spending when revenue does not keep pace, the first sharp test of the AI build-out's financing.
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- NBC News (via Yahoo Finance): Alphabet shares record their worst day ever, shedding $500 billion in value
- Wall Street Journal: Alphabet Sheds Half a Trillion in Market Value in Stock’s Worst Day Ever subscriber
- New York Times: Big Tech’s Data Center Blitz Is Burning Through Cash and Scaring Wall Street subscriber































