Alibaba takes stake in China’s video platform Youku Tudou Alibaba Group Holding Ltd and a private equity firm co-founded by its executive chairman Jack Ma have agreed to buy a $1.22 billion stake in Youku Tudou Inc, as China’s ecommerce giant April 28, 2014 Channel/Game Online/industrial Power/IT Magazine/LCD TV/LED TV/Magazine Advertisement india/Mobile Launch/Motherboard/Networking/News/Security/Social Media/Tablet/Technology News/Telecom News/TV