For those looking to find strong Medical stocks, it is prudent to search for companies in the group that are outperforming their peers. Artivion (AORT) is a stock that can certainly grab the attention of many investors, but do its recent returns compare favorably to the sector as a whole? Let's take a closer look at the stock's year-to-date performance to find out.Artivion is one of 1067 companies in the Medical group. The Medical group currently sits at #4 within the Zacks Sector Rank. The Zacks Sector Ran ...