The shares rose as high as ¥1,768 and opened at ¥1,630 after the operator of one of the world’s biggest subway systems sold the shares at ¥1,200 ($8) a piece, raising ¥348.6 billion in Japan’s largest IPO since mobile carrier SoftBank Corp. listed in 2018. The deal was oversubscribed more than 15 times, according to several of the lead underwriters.
