SoftBank Chief Executive Officer Masayoshi Son Earnings News Conference [Getty Images]

Billionaire Masayoshi Son, chairman and chief executive officer of SoftBank Corp., speaks during a news conference in Tokyo, Japan, on Wednesday, May 7, 2014. SoftBank forecast annual earnings that trailed analyst estimates amid tougher competition in Japan and losses at Sprint Corp. in the U.S. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images

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