Top Big Cap Negative News Movers Premarket:  DGX: -7% Following new CMS Medicare payment talk on lab services  ERIC: -4.5% Downgraded to UNDERWEIGHT @ MS  CLDX: -3% Positive Results from Phase 3 EMBARQ-CSU1 and EMBARQ-CSU2 Studies of Barzolvolimab 22-SEP-2026 09:12 AM ET