Tokyo Metro Co. made an impressive debut on the Tokyo stock market on Wednesday, briefly surging 47.3 percent above the offering price of 1,200 yen ($7.9) in Japan's biggest initial public offering in six years.The IPO put Tokyo Metro's market capitalization at around 1.01 trillion yen, making it the seventh largest railway operator in the country in terms of total market value as of Wednesday.The share price of Asia's oldest subway operator closed at 1,739 yen after opening at 1,630 yen on the first day of trading on the Tokyo Stock Exchange's top-tier Prime Market.Tokyo Metro, the country…READ FULL ARTICLE