UnitedHealth Group is positioned for long-term growth despite challenges, with resilient fundamentals. Click for my updated look at UNH's Q2 earnings.

UnitedHealth Group's stock declined following its Q2 earnings report, which revealed a significant miss on earnings per share and a lower-than-expected full-year outlook. The company attributed its disappointing guidance to rising medical costs and changes in its business plans.

UnitedHealth Group reported second quarter earnings Tuesday, for the first time not serving as the bellwether for the industry.

UnitedHealth Group (UNH) stock sank over 5% on Tuesday after the largest health insurer in the US missed Wall Street's already lowered estimate for the second quarter. The Minnesota-based company reported adjusted earnings per share of $4.08, which was more than 8% off the $4.45 consensus target.

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UnitedHealth Group (UNH) reported a decrease in second-quarter net income and diluted earnings per share year-over-year, despite strong results for the first half of the year. Meanwhile, the company's stock price remained flat over the past week.