Two of the world’s premier cruise liner commanders are charting clear waters on both sides of the Atlantic. In the US, Royal Caribbean Cruises Ltd (NYSE:RCL), the company behind the world’s largest luxury vessel Icon of the Seas, penned a 6% gain on its share price thanks to a buoyant post-market annual earnings call. Royal Caribbean raised its profit outlook after bumper bookings sent total revenues over 57% higher to $5.1 billion for the 2023 reporting year. Passenger ticket revenues comprised a little ov ...