Key TakeawaysRoyal Caribbean Cruises was identified as "best in class" among cruise operators by JPMorgan analysts in a research report Tuesday.The analysts added Royal Caribbean to its Analysts Focus List.JPMorgan noted that Royal Caribbean has said passengers are willing to pay more to travel with the cruise line. Shares of Royal Caribbean Cruises (RCL) jumped Tuesday after JPMorgan analysts labeled it “best in class” among the cruise lines.  JPM added Royal Caribbean to its Analyst Focus List as a growth ...