Carnival fell after earnings, but shares may still be on the path toward higher prices.Last week, Carnival Corp. (CCL -1.64%) beat on revenue and earnings when it reported results for the most recent quarter. Oddly enough, however, this did not lead to the sort of market reaction one would expect.Instead of surging on strong results, not to mention promising updates to guidance, shares in the cruise line operator took a dip, falling by around 4% on earnings day, and by a few percentage points more in the da ...