If you want to beat the market, the key is having strong stocks in your portfolio of businesses that are profitable and growing. One name that has routinely outperformed the markets is health insurance giant UnitedHealth Group (NYSE: UNH). While it may not be a hot tech stock and health insurance may not sound all that exciting, the stock's returns can be.

UnitedHealth is one of the top healthcare companies, and here's a look at why it can help you beat the Dow Jones Industrial Average.

Health insurance is a necessity for millions of Americans. And while people may cut their cable bill or spending on home improvement and other discretionary expenses, healthcare is a necessity. It makes a company such as UnitedHealth relatively resilient in tough times.

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Source Fool.com