Investors interested in Medical stocks should always be looking to find the best-performing companies in the group. Has Athira Pharma, Inc. (ATHA) been one of those stocks this year? 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.Athira Pharma, Inc. is one of 1017 companies in the Medical group. The Medical group currently sits at #5 within the Zacks Sector Rank. The Zacks Sector Rank considers 16 different sector groups. ...