Have you been paying attention to shares of REV Group (REVG) ? Shares have been on the move with the stock up 1.6% over the past month. The stock hit a new 52-week high of $51.37 in the previous session. REV Group has gained 56.9% since the start of the year compared to the -6.5% gain for the Zacks Transportation sector and the -1.3% return for the Zacks Transportation - Services industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, having beaten the Z ...