Shares of Five Below (FIVE) have been strong performers lately, with the stock up 1.5% over the past month. The stock hit a new 52-week high of $159.93 in the previous session. Five Below has gained 48.8% since the start of the year compared to the 5.9% move for the Zacks Retail-Wholesale sector and the 4.4% return for the Zacks Retail - Miscellaneous industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, as it hasn't missed our earnings consensus esti ...