Alphabet Shares Drop Over 12% After Q3 Results Revive AI-Cost Worries

Alphabet shares fell more than 12% on October 29, 2026, per The Wall Street Journal, after third-quarter revenue rose 25% to $127.6 billion. Reuters reported the Nasdaq, the tech-heavy index, fell over 1% as results revived worries about AI costs. CNBC said the drop put the stock on course for its largest decline on record following an earnings report.