Alphabet’s shares fell about 12% after its third-quarter results, putting an estimated $496 billion of market value at risk and marking what was set to be the company’s steepest one-day decline since going public in 2004. The loss would rank second among single-day drops for US-listed companies, behind Nvidia’s $593 billion plunge in January 2025, and far exceed Alphabet’s previous worst, roughly $275 billion in July. The results offered contrasting signals: Google Cloud revenue more than doubled to about $31 billion, and the Gemini app surpassed one billion users, but search revenue rose 12% to $63 billion, below expectations of about $65 billion. Free cash flow turned negative by roughly $9 billion as investment in AI infrastructure and stakes in AI companies weighed on cash generation.
Investors disagreed over whether the quarter exposed a deeper threat or a temporary setback. Bearish analysts argued that AI may be starting to undermine Google’s search business, while a more optimistic view treated the selloff as a potential buying opportunity. Alphabet had already lost about $1.4 trillion in market value since its May peak, amid a broader rise in extreme stock declines: US-listed companies recorded 18 single-session losses of at least $200 billion in 2026 through Wednesday, compared with 13 in all of 2025 and none before 2022. Amazon’s results, due after the market close, were identified as a key test: stronger cloud growth without weaker cash flow would suggest Google’s search challenges are company-specific, while another major cash drain could intensify doubts about the AI investment boom.
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