Cisco Networking Sales Surge on AI Demand. Why the Stock Is Down After Earnings. - Barron's
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- Cisco reported Q4 2026 earnings that beat expectations, with networking sales surging on AI demand.
- Cisco shares slid 9% despite the earnings beat and stronger-than-expected guidance.
- Margin concerns — not the AI-fueled top-line beat — drove the post-earnings sell-off, with Wall Street analysts weighing in per MarketWatch.
Why it matters: Cisco beat Q4 2026 estimates and raised guidance with networking sales surging on AI demand, but a 9% slide tied to margin concerns shows investors are pricing profitability into the AI networking trade. The split reaction suggests revenue beats alone aren't enough if margins compress.
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