Three other companies within Grup Șerban Holding (BVB: GSH) will request the opening of insolvency proceedings, just one month after the blockage of Interagroaliment, the main company in the Romanian group, Economica.net reported. The three companies are guarantors for a EUR 69.9 million loan contracted by Interagroaliment. The shares of the group, 96% controlled by the group’s founder Serban Nicolae, plunged by 66% ytd at the Bucharest Exchange.