MUFG says to buy 10-20 pct stake in Morgan Stanley

TOKYO, Sept 22 (Reuters) - Mitsubishi UFJ Financial Group (8306.T), Japan's largest bank, said on Monday it planned to buy 10-20 percent of the common stock of U.S. investment bank Morgan Stanley (MS.N).

MUFG said it would decide on the amount it would pay after carrying out due diligence.

(Reporting by Nathan Layne and Junko Fujita; editing by Sue Thomas)