Japan's Dai-ichi Mutual Life Insurance Company has received approval from the Australian Prudential Regulation Authority to acquire up to 29.7 per cent of Tower Australia shares from investment house Guinness Peat Group. Dai-ichi will now proceed with the acquisition of a 5 per cent stake to take its total shareholding in Tower Australia to 19.9 per cent. The remaining 9.8 per cent is subject to a shareholder vote on October 17. Nina Wan