@CNN: Chinese billionaire Jack Ma is stepping down from his position as executive chairman of Alibaba, the $420 billion e-commerce empire he co-founded in 1999, he told the New York Times https://t.co/4N9WwnmNLH https://t.co/shMhqegSEX

@CNN: Chinese billionaire Jack Ma is stepping down from his position as executive chairman of Alibaba, the $420 billion e-commerce empire he co-founded in 1999, he told the New York Times https://t.co/4N9WwnmNLH https://t.co/shMhqegSEX