Nebius Group (NBIS) Stock After Hours Today (Dec. 17, 2025): What Happened After the Bell and What to Watch Before Thursday’s Open
Nebius Group N.V. (NASDAQ: NBIS) ended Wednesday’s regular session sharply lower, then stabilized modestly in extended trading as investors digested a major product update and weighed broader “AI infrastructure” volatility. By the close, NBIS finished at $75.45, down $5.50 (-6.79%)