With Defense (ITA) down 2.1%, this looks like a sector-led move rather than a company-specific surprise.
The aerospace and defense sector is trading lower today amid growing concerns over a potential Pentagon budget crisis and a recent negative headline involving the F-35 program. A Senate Armed Services Committee hearing is scheduled for September 24 to address the Pentagon's fiscal challenges, including a proposed cut to research funding and the possibility of a spending freeze at current levels. Compounding these budgetary concerns, it was confirmed today that a shipment of F-35 parts was mistakenly diverted to Hong Kong, raising questions about supply chain security for the critical fighter program.