TDY +9.2%. Garmin +15.1%, Nextnav −4.2%, Leonardo DRS −15.3%, Northrop Grumman −23.6%. Weekly closes, Oct 10, 2025 = 100, log scale.

End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in TDY’s SEC industry (Search, Detection, Navagation, Guidance, Aeronautical Sys) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.