Norwegian Cruise Line (NCLH) is one of the stocks most watched by Zacks.com visitors lately. So, it might be a good idea to review some of the factors that might affect the near-term performance of the stock.Over the past month, shares of this cruise operator have returned +4.4%, compared to the Zacks S&P 500 composite's +3.6% change. During this period, the Zacks Leisure and Recreation Services industry, which Norwegian Cruise Line falls in, has lost 0.5%. The key question now is: What could be the stock's ...