Why Carnival Corporation, Royal Caribbean, and Norwegian Cruise Line Stocks All Just Dropped

For two days running, cruise stock investors enjoyed smooth sailing as shares of Carnival Corporation (NYSE: CCL) (NYSE: CUK), Norwegian Cruise Line Holdings (NYSE: NCLH), and Royal Caribbean Cruises (NYSE: RCL) grew on the back of positive analyst commentary from Australian banker Macquarie Group -- and positive COVID-19 vaccine news as well. On Thursday, however, the cruise industry got swamped by the sea of red ink washing over the S&P 500.