Proposed Rule Change Relating to Amendments to Portolio Margin

Financial Industry Regulatory Authority, Inc. ("FINRA") (f/k/a National Association of Securities Dealers, Inc. ("NASD")) is filing with the Securities and Exchange Commission ("SEC" or "Commission") a proposed rule change to codify FINRA's interpretation of the portfolio margin program set forth in NASD Rule 2520(g) and Incorporated NYSE Rule 431(g) regarding (1) monitoring concentrated equity positions and (2) timing of day trading margin calls.