Have you been paying attention to shares of BJ's Wholesale Club (BJ) ? Shares have been on the move with the stock up 15.3% over the past month. The stock hit a new 52-week high of $99.91 in the previous session. BJ's Wholesale Club has gained 47.6% since the start of the year compared to the 15.4% move for the Zacks Consumer Discretionary sector and the 14.4% return for the Zacks Consumer Services - Miscellaneous industry.What's Driving the Outperformance?The stock has a great record of positive earnings s ...