The Federal High Court Abuja has frozen the bank accounts of some investment and trading platforms that Nigerians have been using to transact online.   Justice Ahmed Mohammed made the order on Tuesday while delivering his ruling in an ex parte application filed by the Central Bank of Nigeria through its lawyer, Micheal Aondoakaa (SAN).   Justice Mohammed stated that persons who were aggrieved by the order could approach the court for redress.   The CBN told the court that the financial activities of the defendants were being probed for operating without obtaining licence as asset management companies and utilizing