KBR −20.2%. Sterling Infrastructure +55.5%, Fluor +15.1%, Granite Construction +12.8%, Jacobs Solutions −8.2%. 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 KBR’s SEC industry (Heavy Construction Other Than Bldg Const - Contractors) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.