A Wedbush Securities analyst became the second stock picker this month to downgrade a previously bullish rating on Norwegian Cruise Line's shares as concerns grow over market weakness in the sector.

James Hardiman, who tracks leisure stocks for the investment bank, cut his rating to "neutral" from "outperform" Friday, while chopping his price target to $45 from $53.

The analyst also reduced his earnings estimates for rival Royal Caribbean Cruises, according to various financial websites.

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