TOKYO -- Shares in Nidec plunged 22% on Thursday after the Kyoto-based motor maker reported a case of suspected irregular accounting that potentially involved managers within its group of companies.
Japanese motor maker's investors alarmed by possible management involvement

Nidec's shares fell sharply on Sept.4 after the Japanese motor maker announced a probe into possible management involvement in improper accounting.
TOKYO -- Shares in Nidec plunged 22% on Thursday after the Kyoto-based motor maker reported a case of suspected irregular accounting that potentially involved managers within its group of companies.