Have you been paying attention to shares of Carvana (CVNA) ? Shares have been on the move with the stock up 5.1% over the past month. The stock hit a new 52-week high of $359.9 in the previous session. Carvana has gained 75.7% since the start of the year compared to the 5.2% gain for the Zacks Retail-Wholesale sector and the 7.4% return for the Zacks Internet - Commerce industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't missed our earnings co ...