FILE PHOTO: SoftBank Group founder and CEO Masayoshi Son and Alibaba founder and former Chairman Jack Ma attend the Tokyo Forum 2019 in Tokyo, Japan, December 6, 2019. REUTERS/Kim Kyung-Hoon/File Photo
SoftBank Group founder and CEO Masayoshi Son and Alibaba founder and former chairman Jack Ma attend the Tokyo Forum 2019. Mr Ma is leaving the board of the Japanese group. Reuters

Alibaba's Jack Ma leaves SoftBank as company posts $17.7bn loss and plans share buyback