TOKYO -- The Tokyo Stock Exchange has begun weighing a proposal to lengthen cash stock trading hours by 30 minutes to 3:30 p.m., according to people familiar with the matter, in hopes of boosting its appeal to international investors.
Proposal would keep cash stock dealing open until 3:30 p.m.

With trading only lasting 5 hours, the Tokyo Stock Exchange has a shorter day than that of the New York and Singapore exchanges. (Photo by Kai Fujii)
TOKYO -- The Tokyo Stock Exchange has begun weighing a proposal to lengthen cash stock trading hours by 30 minutes to 3:30 p.m., according to people familiar with the matter, in hopes of boosting its appeal to international investors.