Warren Buffett, Apple stock and UnitedHealth
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The investment comes as UnitedHealth faces soaring medical costs, federal investigations, the fallout of the killing of a top executive and a cyberattack last year.
Buffett owned UnitedHealth shares before selling his stake in 2010, though his Berkshire Hathaway recently acquired shares.
UnitedHealth Group (UNH) shares soared 12% on August 15, 2025, after Warren Buffetts Berkshire Hathaway revealed a $1.6 billion stake of over 5 million shares. The surge marks the stocks biggest jump in five years,