The China's largest twitter like service Weibo has unveiled plans to sell shares in the US stock market. Weibo, owned by Chinese Internet giant Sina is looking to raise 500 million dollars via the share sale. However, the firm did not give details of the number of shares it plans to sell or the price range. According to papers filed with the US regulators, it had 129.1 million monthly active users in December and generated revenues of 188 million dollars in 2013.