Earnings Outlook: Health-care earnings: ‘Medicare for all’ expected to loom large

Health-care earnings begin in earnest this week, starting with government insurance giant Centene Corp. reporting on Tuesday, followed by Anthem Inc., Biogen Inc., Boston Scientific Corp. and Swiss drugmaker Novartis AG reporting Wednesday.

The past week has been a difficult one for health companies. Health-care stocks are lagging the broader market by their largest margin since 2006, sparked by murmurs of a single-payer health system and proposals to tighten regulations around drug pricing. Shares of UnitedHealth Group Inc. tumbled last week despite the company reporting first-quarter earnings and revenue that beat expectations — a sign of investors’ growing anxiety over the health-care regulatory climate.

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