Nebius Group is trading 6.36% lower at $142.00 as AI infrastructure providers face pressure amid concerns about tighter data-center and AI oversight following the U.S. midterm election outcome. - No fresh company-specific announcement explaining the move surfaced in available reporting; the software-sector rally does not explain the decline. - Third-quarter results are scheduled for November 12, not November 4. - Available sources do not establish a specific trading-volume or activity-level explanation for this pre-market move.