The news service cited analyst Richard Carter as expecting pricing recovery and more operational momentum in the Carnival Cruise Line brand.
Deutsche Bank forecasts CCL's second quarter earnings per share will go to 17 cents, a penny higher than the consensus expectation and up from 10 cents a year ago, due to operating efficiencies and lower fuel cost.
Carnival is scheduled to report second quarter earnings on Tuesday.
Shares rose to $50.46 in pre-market-open trading Monday. CCL closed at $48.92, up 30 cents on Friday.