Coinspeaker Inovio (INO) Stock Crashes Over 30%, Citron Research Casts Doubt on Coronavirus VaccineInovio (INO) stock has now erased some of its YTD gains after Citron Research suggested the company was grandstanding. Citron's analysts now put INO at $2.Inovio (INO) Stock Crashes Over 30%, Citron Research Casts Doubt on Coronavirus Vaccine