UnitedHealth Abruptly Replaces CEO and Suspends 2025 Outlook (4)

UnitedHealth Group Inc. unexpectedly replaced its chief executive and suspended earnings guidance, raising increasing questions over how the company once regarded as a safe bet by investors has got its cost predictions so wrong.

The company brought back Chairman and former CEO Stephen Hemsley for the top role, saying Andrew Witty has resigned “for personal reasons.” The health insurer, whose top insurance executive was murdered in New York last December, also ripped up its 2025 outlook.

The news sent the stock down 11% at 9:30 a.m. in New York. The stock had already fallen 25% for the year through Monday, ...