Retail trading app 'RobinHood' faces lawsuit against claims of market manipulation

Retail trading app ‘RobinHood’ faces lawsuit against claims of market manipulation

Retail brokerages restricted trading recently in GameStop and other stocks caused big losses for hedge funds. Free-stock trading pioneer Robinhood and Interactive Brokers said that in some cases, investors would be able to sell only their positions and not open new ones. Both brokerages raised margin requirements on certain securities. Robinhood said its decision to…