Mizuho Bank said Sunday a glitch affecting more than half of its 5,400 automated teller machines had prevented customers from withdrawing cash.The system failure apparently occurred nationwide, one of Japan's largest banks said. In some cases, ATMs stopped functioning and cash cards were not returned.Its internet banking service also failed to complete some transactions.The system started to recover after being rebooted, but the work was not completed as of 9 p.m., the bank said.Mizuho was informed of problems with its ATMs from Sunday morning. Of the 5,395 ATMs, 2,956 had stopped functioni…READ FULL ARTICLE