Jack Ma visits Alibaba headquarters in Hangzhou

Jack Ma visits Alibaba headquarters in Hangzhou

FILE PHOTO: Jack Ma, founder and executive chairman of China's Alibaba Group, speaks in front of a picture of SoftBank's human-like robot named 'pepper' during a news conference in Chiba, Japan, June 18, 2015. REUTERS/Yuya Shino/File Photo/File Photo

Alibaba founder Jack Ma, largely out of public view amid a regulatory clampdown on the group, made a rare visit to its Hangzhou campus on Monday during the e-commerce giant’s annual “Ali Day” staff and family event, company sources said.