Coinspeaker ATVI Stock Has Bright Future, ‘Call Of Duty: Modern Warfare’ Best-Selling Game in 2020Activision Blizzard (ATVI) stock attracts investors and its price may go up as "Call Of Duty: Modern Warfare" is the best-selling game in 2020 so far.ATVI Stock Has Bright Future, ‘Call Of Duty: Modern Warfare’ Best-Selling Game in 2020