The firms allegedly used phantom bids and false communication to increase trading activity
Firm's traders believed that the exchange allowed the transactions in question
Latest tip leads to a US$7 million reward
Alleged scheme involved off-exchange binary options on commodities and foreign currencies
The derivatives regulator alleges the defendants made misleading statements in email ads and in an online trading room
Options Clearing Corp. settled the case without admitting or denying the regulators' findings
Regulators approved amendments designed to simplify requirements and ease some restrictions
Five companies and four people charged
Proposal seeks to reduce minimum requirement to 15% of current market value
Advisory highlights ways to identify fraudulent social media profiles