Amended Complaints Take on Robinhood and Others in Short Squeeze Multi-District Litigation 17 hours ago On Tuesday, retail investors filed two consolidated class action complaints against Robinhood, its affiliates, and a host of financial firms following the January 28 shut down of Robinhood’s stock platform amidst a short squeeze. The Southern District of Florida multidistrict litigation is a collection of several dozen cases, like one filed just after the well-publicized outage. User lockouts last year caused the Financial Industry Regulatory Authority to levy its highest fine ever against the popular trading platform. One of the cases, proceeding before Southern District of Florida Chief Judge Cecilia M. Altonaga has several “tranches.” One is based on Robinhood and other financial food chain players’ purportedly tortious acts like negligence and gross negligence.