(Image source: hongkiat.com) Shares of SINA Corp (NASDAQ:SINA) are advancing this morning on news that the Chinese online media company is seeking to take its social media microblogging platform, Weibo public in the second quarter of 2014. Weibo is similar to Twitter Inc (NYSE:TWTR). SINA is aiming to raise about $500 million from the IPO. Weibo is expected to list in the U.S. In the third quarter earnings release for this past November, Weibo had 60.2 million daily active users.