1. Jack Ma officially retires as Alibaba’s chairman  TechCrunch
2. Jack Ma steps down as Alibaba’s chairman. Here are key moments in the company’s history  CNBC
3. Alibaba co-founder Jack Ma retires as CEO on 55th birthday  CGTN America
4. What Kind of Legacy Is Alibaba’s Jack Ma Going to Leave Behind?  Yahoo Finance
5. Jack Ma retires from Alibaba as he turns 55. What comes next?  CNN
6. View full coverage on Google News

Source: Google Finance – Market News