The Medical group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Is Aldeyra Therapeutics, Inc. (ALDX) 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.Aldeyra Therapeutics, Inc. is a member of the Medical sector. This group includes 1051 individual stocks and currently holds a Zacks Sector Rank of #4. The Zacks Sector Rank g ...