E-commerce giant Alibaba Group Holding posted better-than-expected earnings on strong domestic sales in the June quarter, as China leads the global economy out of a coronavirus-induced slump.Hangzhou-based Alibaba reported a 34 per cent increase in revenue to 153.7 billion yuan (US$21.8 billion) in the first quarter of its new financial year, up from 114.9 billion yuan in the same period a year ago, on the back of robust sales at its China commerce retail and cloud computing businesses. That…