On September 28, Boeing fell over 4% in regular trading. The decline was triggered by reports that Boeing discovered a software glitch in its 737 MAX aircraft that could cause navigation system failures during landings.

According to reports, the glitch occurs during cockpit software updates when planes change flight paths after a missed approach, potentially forcing pilots to fly manually. Both Southwest Airlines and United Airlines have informed Boeing they do not want to accept new aircraft loaded with the flawed software, requesting a rollback to an earlier software version. Boeing stated that engineers are currently developing a fix. The Federal Aviation Administration is also assessing the issue. The software problem could delay certification of the new 737 MAX 10 variant and affect the operational rollout of the previously approved 737 MAX 7.

While JPMorgan maintained its Overweight rating on Boeing, noting limited short-term delivery impact, market sentiment remained pressured. Notably, Boeing had recently secured significant orders from Turkish Airlines for up to 150 737 MAX jets and was in early-stage talks with India's Akasa Air for over 200 aircraft, underscoring strong underlying demand despite the current setback.

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