Investors interested in Retail-Wholesale stocks should always be looking to find the best-performing companies in the group. Tractor Supply (TSCO) 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.Tractor Supply is a member of our Retail-Wholesale group, which includes 212 different companies and currently sits at #10 in the Zacks Sector Rank. T ...