The leading cruise line operator is smarter, stronger, and cheaper than you probably think. One of last year's biggest winners has been taking in water this year. Shares of Carnival Corp. (CCL 3.08%) more than doubled last year. The world's largest cruise line operator isn't exactly coasting in 2024, down 23% so far this year. This doesn't mean that it's not a good time to walk the gangway and board Carnival before the ship starts sailing again. Let's go over some of the reasons why right now could be a goo ...