U.S. private equity firm KKR has sweetened its offer for Japan's Fuji Soft by 4%, the latest salvo in its protracted and messy bidding war with Bain Capital for the $4 billion IT firm. KKR raised its offer price to 9,

U.S. private equity firm KKR KKR-N -2.30% has sweetened its offer for Japan’s Fuji Soft by 4 per cent, the latest salvo in its protracted and messy bidding war with Bain Capital BCSF-N -0.06% for the $4-billion IT firm.

The U.S. investment company KKR has increased its tender-offer price for the Japanese software firm Fuji Soft, in an effort to conclude its acquisition battle with competitor Bain Capital.

U.S. private equity firm KKR will raise its offer price for Japanese IT company Fuji Soft by more than 4% to take it above a rival offer from Bain Capital, it said on Tuesday. It is the latest salvo in a protracted bidding war that began in August last year,