The Jack Ma Foundation said on Thursday it would donate HK$30 million (US$3.9 million) to support families, firefighters and rescuers affected by a deadly fire at a housing estate in Hong Kong’s Tai Po district. In a statement, the foundation – established by the founder of Alibaba Group Holding and Ant Group – expressed solidarity with all those affected by the tragedy. Alibaba owns the South China Morning Post. The donation follows a further commitment of HK$20 million from Alibaba and HK$10...