DOJ announces broad antitrust review of Big Tech, pushing down shares of Alphabet, Facebook and Amazon Written on July 23, 2019. Posted in PT Global Economy. This content is restricted to site members. If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me New User RegistrationChoose a Username*First Name*Last Name*Email*PasswordConfirm Password*Required field Previous Next