Sina Corp. has reportedly engaged Credit Suisse and Goldman Sachs to lead a $500M US IPO for its Sina Weibo microblogging service. In a related development, Alibaba Group Holding, the largest Chinese e-commerce company, is reportedly set to increase its 18% stake in Weibo (purchased last year from Sina for $586M) to 30% if an IPO takes place. Alibaba itself is also said to be considering an IPO in Hong Kong or the US. These are further signs of the intensifying competition among China's Internet [...]
