The discovery of fake invoices related to Sapphire Minmetals by Jefferies Financial Group has intensified scrutiny over the financial reports of Radiant World. This revelation has led the bank to reevaluate its investment exposure to both iron ore traders, as recent losses incurred from receivables finance have been troubling for many banks and investors. In light of these challenges, Jefferies is in the midst of discontinuing its Point Bonita fund.