Softbank Embraces Junk as Sprint Boosts Debt

Softbank Embraces Junk as Sprint Boosts Debt

Kiyoshi Ota/Bloomberg

Pedestrians walk past a SoftBank Corp. store in Tokyo. Softbank’s purchase of the stake in Sprint Nextel will help the 31-year-old Japanese company expand beyond its home market while giving its loss-making U.S. counterpart more financial backing as it upgrades the infrastructure of its networks.