Investors interested in Retail-Wholesale stocks should always be looking to find the best-performing companies in the group. Has Wingstop (WING) been one of those stocks this year? By taking a look at the stock's year-to-date performance in comparison to its Retail-Wholesale peers, we might be able to answer that question.Wingstop is a member of our Retail-Wholesale group, which includes 213 different companies and currently sits at #15 in the Zacks Sector Rank. The Zacks Sector Rank includes 16 different g ...