Why is Nebius stock tumbling today?
Nebius Group NV stock fell 19.2% after reporting Q3 2026 revenue of $980.8M, beating estimates, but cutting full-year revenue outlook and raising capital expenditure forecasts. CEO cited delays at third-party sites. Broader market declines and AI sector sentiment also impacted the stock.
How this was made
The 30-second read
Why it matters
The guidance shock drives immediate downside pressure; investors reassess valuation amid higher spending and delayed colocation capacity.
Market read
Nebius' earnings and guidance cut dominate the move, with spillover to the AI‑infrastructure sector and broader market sentiment.
What to watch
Potential long‑term contracts with hyperscale providers could offset short‑term cash burn.
Background
Nebius Group NV reported Q3 2026 results with record revenue but cut full‑year guidance and raised capex dramatically, triggering a 19% pre‑market sell‑off.
Market effects
AI‑infrastructure stocks face pressure as guidance cuts raise spending concerns.
US equity indices dip, with Nasdaq and S&P 500 down amid risk‑off sentiment.
Broader AI hype worldwide is tempered, affecting related peers globally.
Counterpoint
The capex surge may position Nebius for outsized growth once AI demand materialises.
Key entities
- companyNebius Group NV
AI‑infrastructure cloud provider issuing earnings and guidance.
- companyCoreWeave
Peer AI‑cloud provider mentioned for context.

