ALBAWABA — Jack Ma will relinquish control of Chinese fintech giant Ant Group, the company announced on Saturday. The move comes in response to a Communist Party crackdown on China's tech sector that targeted the billionaire. Ma led a generation of Chinese tech moguls with his tale of rags-to-riches and partiality for public showmanship but fell from grace quickly. In a speech at a summit in Shanghai, Ma said banks ...