Have you been paying attention to shares of Carnival (CCL) ? Shares have been on the move with the stock up 22.1% over the past month. The stock hit a new 52-week high of $20.45 in the previous session. Carnival has gained 9% since the start of the year compared to the 0.4% move for the Zacks Consumer Discretionary sector and the 16.4% return for the Zacks Leisure and Recreation Services industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't miss ...