Welcome to our 7investing Growth vs Income Summer Stock Challenge! We are on a quest to find the best current stock opportunity for investors.

In this “Income Style, Round 1, Matchup 2” bracket, our #3 ranked mega health insurer UnitedHealth Group (NYSE: UNH) is paired up against #6-ranked exchange operator CME Group (Nasdaq: CME).

Both of these companies serve hundreds of millions of people, capturing recurring revenues and extremely high margins. When looking over the next five years, which will prove to be the better investment?

Follow along with us all month, as we’re pairing popular “growth” and “income” stocks up in head-to-head matchups — to ultimately determine which stock will provide the greatest upcoming five-year return.