Nebius Group N.V. Stock (NBIS) Today: Why Shares Are Falling on Dec. 15, 2025—and What Analysts Forecast After Microsoft and Meta AI Deals
Nebius Group N.V. (NASDAQ: NBIS) is back in the spotlight on Monday, December 15, 2025, as the AI infrastructure “neocloud” leader faces a familiar market debate: massive demand signals vs. massive capital needs. In U.S. trading today, NBIS stock has been volatile and under pressure, changing hands around the low-$80s and down mid‑single digits to high‑single digits intraday after opening near the high‑$80s and dipping toward the $80 level. StockAnalysis+1 That pullback comes even as Nebius continues to point to multi‑year hyperscaler contracts—Microsoft and Meta—that could define its growth trajectory into 2026. The same contracts, however, also sharpen investor scrutiny