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China's Alibaba bans customers from using WeChat

Some merchants have been using WeChat to directly communicate with customers and encourage them to do business outside of Alibaba's transaction systems, Alibaba Group said in a statement.

Very interested in buying Yahoo: Alibaba CEO

Jack Ma, the founder and CEO of Chinese e-commerce giant Alibaba, is keen on buying Yahoo Inc if the opportunity presents itself and has held discussions with other potential buyers about options.