Boeing experienced notable downward pressure following news that the company identified a software bug within the 737 MAX flight management computer system. The defect affects automated vertical navigation guidance during specific missed-approach landing maneuvers, causing autopilot functions to disengage under certain flight path changes. While Boeing informed airline operators that existing manual pilot procedures safely cover the condition and that engineers are working on a permanent software patch, the public disclosure triggered a formal review by the U.S. Federal Aviation Administration. Investor concern heightened as the regulatory scrutiny threatens to complicate…