On Friday, airline and cruise stocks posted strong gains. As of press time, Carnival Cruise (CCL.US) surged over 5.6%, Norwegian Cruise Line (NCLH.US) climbed over 6.4%, Royal Caribbean Cruise (RCL.US) advanced over 4.7%, American Airlines (AAL.US) jumped over 6%, United Continental Airlines (UAL.US) rose over 5.8%, and JetBlue Airways (JBLU.US) gained nearly 7%.