Why UnitedHealth's Blowup May Be More Isolated Than Investors Think

Wall Street Journal

14-05-2025

UnitedHealth Group UNH -17.79%decrease; red down pointing triangle is the nation's largest health insurer and is often seen as a bellwether for the managed-care industry, shaping how investors view the whole sector. But this time around, its problems may be its own.
For the past few years, rising medical costs in the Medicare Advantage business have been an issue for health insurers generally, causing many to underperform their own outlooks. So when UnitedHealth pulled its 2025 earnings guidance and announced the sudden departure of Chief Executive Andrew Witty, investors didn't wait to hear the details—they sold off the entire sector.