Carnival have just issued another $1 billion of loan notes, the issue interest rate was back to 10.5% having been about half of that last year.
The more interest that they pay, the less profit they make (or increased loss). Clearly at this moment they are having to pay to borrow money at extortionate rates which is reflective of the view lenders are taking on the likelihood of the loan defaulting.
shareholders appear to be taking a similar view.