Reuters reports that Zhou Hongyi, the former head of Yahoo China, has sued Yahoo for defamation. Yahoo said they were about to sue Zhou Hongyi for "unethical business practices." Hongyi has a 40 percent stake in Alibaba.com, which was bought by Yahoo for $1 billion last year. To me, it seems like from the article, that Yahoo finds Hongyi to be a shady character, and Hongyi doesn't like Yahoo telling the public how they feel about him.
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