The Retail-Wholesale group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Sportsman's Warehouse (SPWH) is a stock that can certainly grab the attention of many investors, but do its recent returns compare favorably to the sector as a whole? Let's take a closer look at the stock's year-to-date performance to find out.Sportsman's Warehouse is one of 204 individual stocks in the Retail-Wholesale sector. Collectively, these companies sit at # ...