Aptiv is trading 4.1% lower at $43.31 as U.S. equities sell off amid a 19-year-high 10-year Treasury yield, stronger business-activity data and renewed inflation concerns. - The Nasdaq is down 0.71%, and the Dow is down 0.59%, adding to the risk-off backdrop for cyclical automotive technology shares. - No fresh company-specific announcement was found on September 24, 2026; reduced 2026 outlook and automotive-demand weakness remain background risks but do not directly explain this session's move.