From Investing.com:

Boeing shares fell 8% in Frankfurt after the FAA ordered temporary grounding of some 737 MAX 9 jets following a plug door blowing off an Alaska Airlines flight. Airbus’s shares rose 2% in response. Airbus is set to announce it delivered 735 planes last year, maintaining its status as the world’s largest planemaker. Boeing has struggled to compete with Airbus due to two previous MAX crashes.



Read more: Boeing shares slide in Frankfurt after FAA grounds some MAX 9s By Reuters