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Alphabet shares fell 13% on Thursday as investors rethought its AI spending boom. The company spent 121.4% of its operating cash flow on capital expenditure in the September quarter, relying on reserves to cover the shortfall while search revenue grew 12%. Microsoft shares slipped 4% and Oracle slipped 4% as the market prioritized cash generation over unproven AI commitments.
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Summary by ByteBrief
Alphabet Stock Slides 10.2% on AI Costs

Alphabet's stock falls 12%+, wiping a record $500B from its market cap, after reporting negative cash flow amid its AI spending; the Nasdaq falls 1.4%+ (Stephen Morris/Financial Times)
Meta Stock Sinks 6% on AI Spending