These Were the S&P 500’s Best and Worst Stocks in July - Barron's
1. Centene dropped 53% in July due to withdrawing guidance. 2. Lower membership growth and high illness rates caused concerns. 3. A surprise quarterly loss further decreased Centene's stock value. 4. Healthcare stocks faced significant declines amid disappointing earnings. 5. Molina Healthcare also struggled, falling 47% under similar pressures.