The Medical group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Is Aclaris Therapeutics (ACRS) one of those stocks right now? By taking a look at the stock's year-to-date performance in comparison to its Medical peers, we might be able to answer that question.Aclaris Therapeutics is a member of our Medical group, which includes 1077 different companies and currently sits at #5 in the Zacks Sector Rank. The Zacks Sector Rank gauges the st ...