The downgrade to Equal-Weight suggests that Wells Fargo sees Norwegian Cruise Line as fairly valued at its current price, indicating a neutral outlook on the stock's short-term performance. The maintenance of the price target at $18 reinforces this neutral stance. Typically, a downgrade can exert downward pressure on a stock; however, since the price target was not lowered, the impact may be muted. Investors may have already priced in the current valuation, leading to a neutral short-term impact.