A high-level overview of SoftBank Group Corp. (SFTBY) stock. Stay up to date on the latest stock price, chart, news, analysis, fundamentals, trading and investment tools. The SoftBank Internet page provides information on Yahoo! BB broadband Internet services (ADSL, hikari, wireless LAN) as well as information on charges and discounts, special offers, instructions on how to subscribe, and customer support. SoftBank Group Corp shares surged 11% after the investment conglomerate scored a $11.2 billion gain in the value of its stake in DoorDash Inc following the U.S. food delivery app's blockbuster