Nikesh Arora, president and chief operating officer of SoftBank Group Corp., right, speaks as billionaire Masayoshi Son, chairman and chief executive officer of SoftBank Group Corp., looks on during a news conference in Tokyo, Japan, on Wednesday, Nov. 4, 2015. SoftBank operating profit rose as the mobile carrier and Internet investment company boosted Japanese wireless subscribers, offsetting losses at its Sprint Corp. unit in the U.S. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images