Shares of UnitedHealth Group Inc. took a historic plunge Thursday after the health insurer slashed its full-year outlook and ...

A surprising Medicare Advantage cost spike helped push UnitedHealth into a rare deep dive Thursday, after the health care ...

A steep slide in UnitedHealth Group shares was dragging on the Dow Jones Industrial Average on Thursday, putting the ...

The UnitedHealth slide weighed heavily on the Dow, which fell 527 points, or 1.3%.

Dragged down by negative returns for shares of UnitedHealth and NVIDIA Corp., the Dow Jones Industrial Average is trading down Thursday afternoon.

UnitedHealth Group cut its earnings guidance after reporting higher-than-expected care costs in its Medicare Advantage ...

UnitedHealth Group surprised investors with what its CEO said was an "unusual and unacceptable" quarterly earnings miss, and ...

Morgan Stanley expects UnitedHealth (UNH) shares to fall following an “unexpected call out” of higher than anticipated Medicare Advantage ...

Shares of UnitedHealth Group Inc. (UNH) took a 9.4% dive in premarket trading Thursday, after the health insurer slashed its full-year outlook, citing increased care activity in its Medicare Advantage ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...