So recently Air France decided to issue lots of new shares, to raise money, making its stock price plummet on the Paris exchange by more than 60%:
https://finance.yahoo.com/quote/AF.PA?p=AF.PA&.tsrc=fin-srch
However a similar change in stock price is not reflected by its US listed ADR, that has fallen by only about 20%:
https://www.google.com/finance/quote/AFLYY:OTCMKTS
Can someone explain this discrepancy?