For those looking to find strong Medical stocks, it is prudent to search for companies in the group that are outperforming their peers. McKesson (MCK) 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? 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.McKesson is a member of the Medical sector. This group includes 999 individual stocks and ...