CHPX is trading at $101.04, down 1.84% after-hours on September 22, 2026, with no company-specific announcement, earnings release, or other late-breaking catalyst identified.

  • The regular session closed at $102.94; its advance was associated with broader AI and semiconductor optimism.
  • The after-hours decline came as the Nasdaq Composite gained 0.52%.
  • Reported volume was 2.2K versus a 20.2K average, suggesting relatively light activity.