Unit of Alibaba turns a mom into a multibillionaire

People ride a double bicycle past a logo of the Alibaba Group at the company’s headquarters on the outskirts of Hangzhou, Zhejiang province Nov 10, 2014.[Photo/Agencies] The mother of Jack Ma’s private-equity fund partner became a billionaire following a higher valuation of Alibaba Group Holding Ltd’s finance affiliate last week. Wang Yulian owns 4.6 percent of…