Seoul-based private equity firm MBK Partners is gearing up for a second round in a battle for control of Hankook & Co., the holding company behind the world’s sixth-largest tiremaker, Hankook Tire & Technology. On Friday, MBK Partners announced through Ventura, a special purpose company set up by the private equity firm, that it has raised its offer for the public tender for Hankook & Co., from 20,0...