FILE PHOTO: Trading information for KKR & Co is displayed on a screen on the floor of the New York Stock Exchange (NYSE) in New York, U.S., August 23, 2018. REUTERS/Brendan McDermid :Private equity giant KKR & Co Inc said on Tuesday it will buy Japanese drug developer Bushu Pharmaceuticals from Hong Kong-based private equity firm BPEA EQT, but did not disclose financial details of the deal. A Bloomberg report from August stated a transaction may value Bushu Pharma at upwards of 100 billion yen ($749 million), citing people familiar with the matter.