UnitedHealth chopped its 2025 forecast after being surprised by care use from its Medicare Advantage customers in a worse-than-expected first quarter.

UnitedHealth "did not perform up to our expectations" in the first quarter, its CEO Andrew Witty said in a statement, in results that sent its stock tumbling by about 20 percent in premarket trading.

Companies on the 2024 Inc. 5000 are ranked according to percentage revenue growth over the last three years. They generated 874,940 jobs, $317 billion in revenue, and show where the economy is ...