UnitedHealth has a lot more to explain to investors besides its earnings numbers - MarketWatch

1. UnitedHealth's earnings call follows a public outcry over insurance practices. 2. CEO emphasizes need for clarity in insurance coverage and decision-making processes. 3. Political scrutiny on pharmacy-benefit managers could impact Optum's operations. 4. Analysts expect revenue increase to $101.6 billion from last year. 5. UNH shares on a downward trend, reflecting recent investor concerns.