Investors interested in Retail-Wholesale stocks should always be looking to find the best-performing companies in the group. Has Tecnoglass (TGLS) been one of those stocks this year? 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.Tecnoglass is a member of the Retail-Wholesale sector. This group includes 212 individual stocks and currently holds a Zacks Sector Rank of #8. The Zacks Sector Rank includes 16 d ...