Nebius Group is trading 5.02% down at $150.76 as investors reassess financing risks across neocloud companies. - Reuters said Elon Musk’s warning of sector failures and consolidation heightened concerns about debt-funded AI infrastructure and uncertain returns. - Nebius was down 3.4% in premarket; its CEO acknowledged tighter financing conditions but said funding was in place for planned expansion. - Reporting pointed to sector-wide concerns, not a new company-specific announcement on October 26; broader U.S. indices were slightly higher.