IES Holdings is trading at $251.35, down 4.23%, as AI-infrastructure-linked shares faced pressure over debt-financed data-center spending, with hotter inflation and renewed rate-hike concerns adding to the backdrop. - By the October 16 close, the Nasdaq fell 2.16% and the S&P 500 fell 1.24%. - No clear company-specific announcement explaining IES Holdings’ move was found.