UnitedHealth Group, the parent company of UnitedHealthcare, saw a 20% dip in stock values on Thursday. It blamed higher-than-forecast medical spending in its private Medicare offerings. The health insurance company also diminished its guidance for the full year to a range of $26 to $26.

Health insurance stocks called in sick today. Pulled lower by UnitedHealth Group’s (UNH) paring back of its forecasts for 2025—the news left the giant’s shares down roughly 22%—the group is dropping Thursday.

UnitedHealth Group’s share price was down 20% in early trading this morning after the company chopped its earnings outlook for the year due to a surprise jump in medical costs. The Eden Prairie-based health care giant reported Thursday that Medicare Advantage patients used more care than expected during the first three months of the year,