Billionaire Masayoshi Son, chairman and chief executive officer of SoftBank Group Corp., smiles during a news conference in Tokyo, Japan, on Wednesday, Feb. 10, 2016. SoftBank increased third quarter operating income 7.3 percent on new Japanese wireless customers as Son sees signs of a turnaround at its beleaguered U.S. unit Sprint Corp. Photographer: Kiyoshi Ota/Bloomberg via Getty Images
