China’s Sina Corp. is planning to raise $500 million by launching an initial public offering in the U.S. for its Weibo microblogging platform. Paul Mozur explains what Weibo is and where it fits ... more 
China’s Sina Corp. is planning to raise $500 million by launching an initial public offering in the U.S. for its Weibo microblogging platform. Paul Mozur explains what Weibo is and where it fits among the hierarchy of social-media sites. less 
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Tue, Feb 25, 2014 12:31 AM EST