(Sina Weibo's upcoming Instagram-like app. Image from radiichina.)
It's been a crazy ride for SINA (SINA) investors in the past five years since spinning off its Weibo (WB) unit public in 2014. Its stock recently tested a multi-year low below $35 and has since rebounded back above $40 after an upside earnings surprise. Despite the stock's dramatic fall from above $120 in 2018, SINA's second quarter 2019 earnings showed a stable core business despite challenging conditions due to increasing trade tensions between the US and China. However investors should not