Carnival Plc (LON: CCL) is amongst the most profitable and financially strong companies in the cruise and vacation industries, having a robust portfolio of cruise lines such as Carnival Cruise Line, Princess Cruises, Holland America Line, Seabourn, P&O Cruises, Costa Cruises, AIDA Cruises and Cunard. The group has more than 100 ships and 700 plus ports across the globe. The company’s shares trade both on the LSE and NYSE.