Teledyne Technologies is trading at $645.00, up 6.29% in after-hours trading, with no verified company-specific announcement or late-breaking catalyst explaining the September 30 jump. - Recent coverage points to prior second-quarter results and raised 2026 guidance, not a new September 30 event. - The broader market was mixed and does not clearly explain the sharp rise. - The next scheduled earnings report was listed for October 21.