Chinese e-commerce giant Alibaba Group Holding Ltd $Alibaba(09988)$ , reported on Thursday its slowest quarterly revenue growth since going public in 2014, hit by a drop in sales at its core business segment and intensifying competition.The slowing Chinese economy has also taken a toll on the company as consumers cut back discretionary spending.Alibaba said group revenue rose about 10% in October-December 2021 to 242.6 billion yuan&nbs