TOKYO -- Koichiro Miyahara, president of the Tokyo Stock Exchange, has stepped down to take responsibility for a system glitch.
Glitch halted investor trading for whole day

Koichiro Miyahara, president of the Tokyo Stock Exchange, has stepped down to take responsibility for a system glitch that brought trading to a halt on Oct. 1. © Reuters
TOKYO -- Koichiro Miyahara, president of the Tokyo Stock Exchange, has stepped down to take responsibility for a system glitch.