Disco is trading 11.28% down at €236.00, amid pressure on semiconductor stocks. - At the November 4 session close, Disco was at €266.00, down 6.34%; the decline continued. - Reports linked sector weakness to concerns that tighter U.S. data-center rules could delay projects and slow AI infrastructure spending. - No company-specific announcement explaining the move was found; available evidence points to sector-wide pressure on chipmakers and AI-related shares, not a confirmed Disco-specific catalyst.