Firm fined $19.6 million for alleged transactions involving illegal activity
SEC alleges that hacked accounts were used to manipulate illiquid securities
Trader exploited material, non-public information on numerous companies
Failing to reveal clients' involvement in bowling businesses ends in sanctions
Regulator's "serious concern" enough to justify court ordered receiver
Public company's assets used to pay bills of related, private firm
Dealers provision of "instant credit" exploited in scheme, regulator says
Regulator calls for industry to address concerning practices in fast-growing sector
Firm avoides prosecution, agrees to disgorgement, restitution
Police allege site was used for money laundering