SoftBank Group Corp.'s mobile phone unit made a disappointing debut on the Tokyo stock market Wednesday in Japan's biggest initial public offering, ending more than 14 percent below its IPO price.The share price of SoftBank Corp. finished at 1,282 yen after opening at 1,463 yen on the first day of trading on the First Section of the Tokyo Stock Exchange, falling far short of the IPO price of 1,500 yen.The market capitalization of the mobile phone service operator was estimated at 6,137 billion yen based on the closing price, becoming the biggest since Japan Post Bank Co.'s listing in 2015 w…READ FULL ARTICLE
