WHAT TO DO NEXT: To join the Sina class action, go to https://rosenlegal.com/submit-form/?case_id=45219 or call Phillip Kim, Esq. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm achieved the largest ever securities class action settlement against a Chinese Company at the time. 1 by ISS Securities Class Action Services for number of securities class action settlements in 2017. To join the Sina class action, go to https://rosenlegal.com/submit-form/?case_id=45219 call Phillip Kim, Esq.