Why Shares of Norwegian Cruise Line, Royal Caribbean, and Carnival All Jumped on Thursday

Volatility continues to be the name of the game for cruise line stocks in May, and Thursday's trading is no different. Today, the catalyst for shares surging was a Credit Suisse analyst initiating relatively positive coverage on cruise line stocks. Shares of Norwegian Cruise Line (NYSE: NCLH) jumped as much as 12.3%, Royal Caribbean (NYSE: RCL) was up 10.7% early in trading, and Carnival (NYSE: CCL) rose 6.9%.