A bankruptcy filing from Air Canada (YAC) caused Moody's Investors Service to downgrade the carrier's unsecur debit this month, but for the time being Moody's is not taking action upon NavCanada or the four Canadian airports it rates, all of which will be affected on the bankruptcy. On the other hand, Moody's changed the prospect for Aeroports de Montreal to stable from positive, making it more consistent with the instant ...
