Alibaba Group Holding Ltd (NYSE:BABA) stock is down 5.9% at 79.60atlastcheck,afterthee−commercecompany′sprofitforthefiscalfourthquarterplunged8679.60 at last check, after the e-commerce company's profit for the fiscal fourth quarter plunged 86%, missing analysts' estimates amid cautious consumer spending in China. Revenue still ...