TOKYO -- Mizuho Financial Group will postpone a leadership reshuffle at its main banking unit next month to find the root cause of recent system failures and prevent a recurrence, Nikkei learned Monday.
Focus turns to troubleshooting after computers fail four times in two weeks in Japan

Mizuho Bank managing executive officer Masahiko Kato, left, had been slated to replace President Koji Fujiwara on April 1.
TOKYO -- Mizuho Financial Group will postpone a leadership reshuffle at its main banking unit next month to find the root cause of recent system failures and prevent a recurrence, Nikkei learned Monday.