Airbus “problems” actually started in early November, with investors more and more aware of the difficulties Airbus are facing to reach their delivery target for 2025 – the two incidents, which happened at nearly the same time, further increasing the investors’ doubts, specially as the November delivery figures were not that impressive ( 72-74, tbc ), meaning they would have to deliver an all-time record of 160+ aircraft in December to reach “about 820” deliveries
Airbus In Crisis!? What's Going Wrong With The A320 Family Right Now

