Alibaba is doubling down on Southeast Asia after it paid close to $1 billion to raise its stake in e-commerce firm Lazada from 51 percent to 83 percent. The Chinese firm made an initial $1 billion investment in April 2016 at a valuation of $1.5 billion — this second deal raises that valuation to $3.15 billion, Lazada disclosed. The deal sees Alibaba buy shares from existing backers… Read More on Tech Crunch