Staff cuts at Deutsche Bank's investment banking unit should largely be finished by the end of the month, the German lender's finance chief has said.

In a presentation at Goldman Sachs's European Financials Conference in Frankfurt on Wednesday, chief financial officer James von Moltke spoke about the difficulties the bank has faced. These problems led to Christian Sewing taking over as chief executive in April and swiftly announcing plans to improve profitability, including a restructuring of its corporate and investment bank.