Purpose – To explain the requirements of Regulation Systems Compliance and Integrity (“Regulation SCI”) and the new responsibilities of organizations defined as “SCI entities.” Design/methodology/approach – Explains the purpose of Regulation SCI, the responsibilities of SCI entities,...

The SEC has proposed several rules and rule amendments that, if adopted, would impact market structure of the equities markets for years to come. This article summarizes those proposed changes and describes some of the early reaction to them by both industry and regulators. Regulation NMS, as...

Purpose – The purpose of this paper is to explain and interpret the Securities and Exchange Commission's (SEC's) recently announced charges against 23 firms for violation of short selling restrictions set out in Rule 105 under Regulation M of the Securities Exchange Act of 1934....