The high-flying cruise line operator just hit an all-time high. It has a telltale financial update coming out on Thursday.It's been a good week for Royal Caribbean Cruises (RCL -1.65%) investors. Shares of the world's second-largest cruise line operator hit another all-time high on Tuesday. The stock that more than doubled last year is up another 32% so far in 2024. The shares are up a blistering 245% since the start of last year. Things could get even better later this week.Royal Caribbean will step up wit ...