Enersys is trading at $170.00, down 5.24% after hours, amid broader risk-off pressure from rising oil and Treasury yields. - No company-specific announcement explaining the move surfaced; available company news was dated October 1, not October 8. - The regular-session close was $179.41 on October 8. Market coverage linked higher oil prices with pressure on stocks; the Nasdaq was down 1.22%. - After-hours volume data was unavailable.