Top Big Cap Negative News Movers Premarket:  MDB: -14% Earnings  CRDO: -11% Earnings  FCEL: -9% Earnings BWLP: -5.5% Successfully Places a USD 300 Million Offering of Senior Unsecured Convertible Bonds UMC: -5% unsecured convertible corporate bonds 02-SEP-2026 08:06 AM ET