Thermo Fisher Scientific is trading at $563.11, down 7.1% in after-hours trading, with no clear company-specific catalyst identified.

  • It closed at $606.15 on September 9, 2026; no earnings release was scheduled that day.
  • Its next announced event is a September 15 investor conference.
  • The Dow fell 0.59% and S&P 500 0.39%, but those moves do not fully explain the decline.