Chi-X Global, a subsidiary of Instinet, recently received a proprietary trading system license from the Japan Financial Services Agency.

FORBES: More Ways To Trade In The East

Japan's Financial Services Agency said in May the bad loan ratio at the country's 11 biggest banks had fallen from 5.18% a year ago to just 2.93% today.

BBC: Analysis

Mr Takenaka has only been in charge of the Financial Services Agency, which regulates Japan's banks, for a few weeks.

ECONOMIST: Too weak to work? | The

Underlining the gravity of the case, Financial Services Minister Shozaburo Jimi said at a news conference in the capital that the regulator, the Financial Services Agency, will now scrutinize operations at all 263 investment-management firms in Japan because of the AIJ investigation.

WSJ: Japanese Fund Loses $2.3 Billion