A fatal crash involving an Air India Boeing 787 Dreamliner near Ahmedabad has rattled investor confidence, sending Boeing's stock down more than 7 per cent in pre-market trade. The incident intensifies ongoing scrutiny of the US aerospace giant’s safety record and regulatory challenges.

(Reuters) -Shares of planemaker Boeing fell nearly 8% in premarket U.S. trading on Thursday after an Air India aircraft with 242 people crashed minutes after taking off from India's western city of Ahmedabad.