Business News Jack Ma's Alibaba retirement avoids health hazard of being a Chinese billionaire September 11, 2018 johorbiznet Johor News Jack Ma’s Alibaba retirement avoids health hazard of being a Chinese billionaire The Australian Financial Review Images: Jack Ma with world leaders The Nation ‘Who is Daniel Zhang?’ Alibaba shares slide after Ma announcement ecns How Jack Ma went from English teacher to tech billionaire CNN Philippines Full coverage Source: Business News Feed