Jefferies Group (JEF -3.4%) files a lawsuit against NASDAQ OMX Group (NDAQ -1.4%) accusing the...

|By:, SA News Editor

Jefferies Group (JEF -3.4%) files a lawsuit against NASDAQ OMX Group (NDAQ -1.4%) accusing the firm's International Derivatives Clearing Group unit of fraud and breach of contract in relation to interest-rate swap futures.