An additional investment of RMB5.3 billion (US$807 million) will increase Alibaba's stake to 51% Alibaba also announces intention to invest an additional RMB100 billion (US$15.2 billion) over the next five years to expand its logistics network Hangzhou, China, 2017-Oct-03 — /EPR Retail News/ — Alibaba Group Holding Limited (NYSE: BABA, "Alibaba") today announced that as…