On June 21st, Reuters reported that NYSE Euronext, Nasdaq OMX Group, BATS Global Markets, and Direct Edge have jointly written the SEC asking the agency to delay until November 20, 2011 the implementation date for new Rule 15c35, which requires broker-dealers with market access to establish, document, and maintain a system of risk management controls and supervisory procedures that are reasonably designed to limit the financial exposure that could arise as a result of the broker-dealer having market access and providing that access to others, and ensure compliance with all regulatory requirements that are applicable in connection with market access. Request.