Investors interested in Business Services stocks should always be looking to find the best-performing companies in the group. Is Fidelity National Information Services (FIS) one of those stocks right now? By taking a look at the stock's year-to-date performance in comparison to its Business Services peers, we might be able to answer that question.Fidelity National Information Services is a member of our Business Services group, which includes 315 different companies and currently sits at #5 in the Zacks Sec ...