Son and Ma

Son and Ma

Tomohiro Ohsumi/Bloomberg

Masayoshi Son, chairman and chief executive officer of SoftBank Corp., left, speaks to Jack Ma, chairman of Alibaba Group Holding Ltd., as Ma arrives for his speech at SoftBank World 2014 in Tokyo, Japan, on Tuesday, July 15, 2014. Alibaba’s shareholders include Japan’s SoftBank Corp., private-equity firm Silver Lake Management LLC and Canada Pension Plan Investment Board.