Have you been paying attention to shares of Ross Stores (ROST) ? Shares have been on the move with the stock up 4% over the past month. The stock hit a new 52-week high of $153.06 in the previous session. Ross Stores has gained 9.6% since the start of the year compared to the 13.7% move for the Zacks Retail-Wholesale sector and the 18.7% return for the Zacks Retail - Discount Stores industry. What's Driving the Outperformance? The stock has an impressive record of positive earnings surprises, as it hasn't m ...