Top Big Cap Negative News Movers Premarket:  CNXC: -10% Earnings  CALM: -8% Earnings  MRNA: -6% Downgraded to SELL @ Citi  CBRS: -5% Following talk they were not mentioned in OpenAI DevDay  NOC: -4% Following BA win on Navy Contract  FDS: -2.5% Earnings 30-SEP-2026 08:20 AM ET