Key PointsRoyal Caribbean, Carnival and Norwegian are among 2023’s top 10 S&P 500 gainers, and also lead the consumer discretionary sector.Pent-up demand for cruising is contributing to the industry's resurgence, as are improved profit margins, efficiencies and customer experience.The Cruise Lines International Association forecasts 36 million passengers in 2024, up from 31.5 million in 2023.5 stocks we like better than Carnival Co. &Perhaps no other industry better exemplifies the “worst to first” phenomen ...