UnitedHealth (NYSE:UNH) is the largest insurer, a blue-chip stock, and a Dow component, but does that make it one of the health-care sector's top dividend stocks? 

In this video, Motley Fool health-care analyst David Williamson will be grading well-known dividend stocks using a World Cup-inspired grading system: A yellow card is a warning for investors, a red card is an ejection, and a "goal" happens if the stock looks like a winner. 

Watch and find out the current strengths and weaknesses of UnitedHealth and whether investors should eject it.

 

David Williamson owns shares of UnitedHealth Group. The Motley Fool recommends CVS Caremark, UnitedHealth Group, and WellPoint and owns shares of WellPoint. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.