Have you been paying attention to shares of Royal Caribbean (RCL) ? Shares have been on the move with the stock up 5.4% over the past month. The stock hit a new 52-week high of $151.16 in the previous session. Royal Caribbean has gained 16.6% since the start of the year compared to the -1.9% move for the Zacks Consumer Discretionary sector and the 1% return for the Zacks Leisure and Recreation Services industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surpris ...