Alibaba Group Holding Ltd (NYSE:BABA) shares jumped Wednesday following reports that China's intense food-delivery price wars are concluding. State media has signaled a regulatory shift toward industry stability.Regulatory Endorsement Ends Vicious CycleState media Economic Daily published an opinion piece Wednesday calling for an end to price competition. The State Administration for Market Regulation later reposted the article. This move suggests official regulator endorsement. The report stated, according ...