InvestmentsTop Global NewsMarketsReal Estate Japan’s Mizuho says to revise contingency plan for system failure after recent glitches By financialnews_rlv83x - April 5, 2021 0 146 TOKYO :Mizuho Financial Group Inc will revise its contingency plan for a system failure by the end of June, the lender said on Monday, after it suffered four system glitches during a two-week period from February to March.