Top Big Cap Negative News Movers Premarket:  CLDX: -8% Positive Results from Phase 3 EMBARQ-CSU1 and EMBARQ-CSU2 Studies of Barzolvolimab  DGX: -6% Following new CMS Medicare payment talk on lab services  ERIC: -4.5% Downgraded to UNDERWEIGHT @ MS 22-SEP-2026 08:10 AM ET