UnitedHealth stock tumbles nearly 20% as Medicare Advantage rate proposal rattles UNH investors
New York, Jan 27, 2026, 10:44 ET — Trading in the regular session. Shares of UnitedHealth Group Incorporated dropped 18.4% to $286.96 in Tuesday morning trading, as investors digested a rate shock in Medicare Advantage and its potential impact on 2027 earnings power. Washington has released its initial take on Medicare Advantage—the private plans serving millions of seniors—with the Centers…