TOKYO — Every day six and a half million people ride Tokyo Metro's nine lines, part of a dizzyingly complex transport network serving the Japanese megacity and its sprawling suburbs.

Tokyo Metro shares rocketed more than 40 percent on their stock market debut Wednesday, raising $2.3 billion in Japan's biggest initial public offering (IPO) in six years.

Register to unlock this article

Register to read this story and more for free.

Signing up for an account helps us improve your browsing experience.

Continue

OR

See our subscription options.

Already have an account? Log in here