Investors interested in Retail-Wholesale stocks should always be looking to find the best-performing companies in the group. Is Builders FirstSource (BLDR) one of those stocks right now? A quick glance at the company's year-to-date performance in comparison to the rest of the Retail-Wholesale sector should help us answer this question.Builders FirstSource is one of 219 individual stocks in the Retail-Wholesale sector. Collectively, these companies sit at #10 in the Zacks Sector Rank. The Zacks Sector Rank i ...