The Retail-Wholesale group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Has Stitch Fix (SFIX) been one of those stocks this year? Let's take a closer look at the stock's year-to-date performance to find out.Stitch Fix is a member of the Retail-Wholesale sector. This group includes 214 individual stocks and currently holds a Zacks Sector Rank of #2. The Zacks Sector Rank gauges the strength of our 16 individual sector groups by measuring the average Zacks Rank of the individual stocks within the groups.The Zacks Rank is a proven model that highlights a variety of stocks with the right characteristics to outperform the market over the next one to three months. The system emphasizes earnings estimate revisions and favors companies with improving earnings outlooks. SFIX is currently sporting a Zacks Rank of #2 (Buy).Over the past 90 days, the Zacks Consensus Estimate for SFIX's full-year earnings has moved 48.17% higher. This means that analyst sentiment is stronger and the stock's earnings outlook is improving.Based on the latest available data, SFIX has gained about 27.88% so far this year. Meanwhile, the Retail-Wholesale sector has returned an average of 14.19% on a year-to-date basis. This shows that Stitch Fix is outperforming its peers so far this year.Looking more specifically, SFIX belongs to the Retail - Apparel and Shoes industry, which includes 33 individual stocks and currently sits at #36 in the Zacks Industry Rank. On average, this group has gained an average of 1.71% so far this year, meaning that SFIX is performing better in terms of year-to-date returns.Going forward, investors interested in Retail-Wholesale stocks should continue to pay close attention to SFIX as it looks to continue its solid performance.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Stitch Fix, Inc. (SFIX): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research