UnitedHealth Group (NYSE:UNH) reported a great second quarter, but that's yesterday's news. Now we need to focus on UnitedHealth Group's key opportunities -- what growth drivers could help take the company to the next level. Here are three things investors need to watch moving forward.

David Williamson owns shares of UnitedHealth Group. Michael Douglass has no position in any stocks mentioned. The Motley Fool recommends UnitedHealth Group. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.