The Business Services group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Has Adyen N.V. Unsponsored ADR (ADYEY) been one of those stocks this year? A quick glance at the company's year-to-date performance in comparison to the rest of the Business Services sector should help us answer this question.Adyen N.V. Unsponsored ADR is one of 317 individual stocks in the Business Services sector. Collectively, these companies sit at #5 in the Za ...