Citi Research believes now is the time to pull the trigger on Chinese online media company SINA Corp and its 54.5 percent-ownedWeibo Corp (ADR) . According to analyst Alicia Yap, the rise of Internet celebrity culture in China could be a huge catalyst for the Weibo.“With 261 million MAU (85 percent mobile) and 120 million DAU (91 percent mobile), Weibo has become a leading social media platform in China for internet celebrities to cultivate their fan bases and influence topical debates or endorse e-commerce products,” Yap explained.via