Cruise stock price improvement stems from recent partnerships with luxury travel brands, expanding market reach and pricing power, likely enhancing brand equity over the medium term. Royal Caribbean says it has stepped up cleaning procedures while the CDC continues to monitor the situation. Norovirus is a highly contagious stomach illness that spreads quickly in close quarters such as cruise ships, nursing homes, and schools. The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Carnival Corp. wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years. The cruise stock price index is being buoyed by resilient consumer demand in North America, with brokerage reports suggesting a potential 8-10% upside over the coming quarter, contingent on strong holiday season bookings.