Modine Manufacturing is trading 8.39% lower at $137.50, with broader market weakness the likeliest context; no direct cause has been established. - Nasdaq was down 1.57% and S&P 500 0.98%; Modine’s decline was substantially larger. - Modine completed the Performance Technologies spin-off and Gentherm combination on October 1. Gentherm’s October 22 earnings relate to the business now combined with Gentherm, not a new Modine earnings report. - No clear new company-specific catalyst was identified for October 22.