SoftBank Group has selected investment banks to help organise a potential initial public offering (IPO) in the US for its Japanese payments app operator PayPay, according to two people familiar with the matter. The banks leading preparations for the listing were Goldman Sachs, JPMorgan Chase, Mizuho Financial Group and Morgan Stanley, the sources said. The PayPay offering may raise more than US$2 billion from investors when it takes place, which the sources said could be as soon as the final...