UnitedHealth's rough stretch continues, with buyouts, a reported DOJ probe and a 23% drop in three months
1. DOJ probes UNH Medicare billing practices. Inquiry could trigger regulatory fines. 2. UNH offers employee buyouts amid potential layoffs. Cost-cutting efforts intensify. 3. Cyberattack on Change Healthcare compromised 190M records. Data breach fallout persists. 4. Billionaire Bill Ackman challenges UNH claims publicly. Legal fee controversy stirs sentiment.