Dycom Industries is trading at $195.59, down 7.88%, with data-center industry concerns and broad-market weakness the strongest available explanations. - No clear company-specific announcement explaining the November 5 move surfaced in available reporting. - Reuters reported data-center and AI-infrastructure-linked stocks faced pressure amid investor worries that election-related scrutiny could slow data-center expansion, a concern relevant to infrastructure contractors such as Dycom. Supplied context showed sharp declines in major indexes; available sources do not establish a direct company-specific catalyst.