The fallout from the bankruptcy of Austrian real estate and retail mogul René Benko’s Signa Group continued on Wednesday, as further German subsidiaries filed for insolvency The Frankfurt-based Signa Financial Services and the Munich-based Signa REM Germany Rent both sought bankruptcy protection in Berlin, according to court filings. Berlin lawyer Torsten Martini was appointed as provisional bankruptcy administrator in both cases. The parent company, Benko’s Signa Holding, had previously applied for restructuring proceedings with a court in Vienna. The real estate and retail group consists of …