Regulatory Notice 22-25 - Heightened Threat of Fraud FINRA Regulatory Notice 10-22 - BDs to Conduct Reasonable Investigations in Reg D Offerings FINRA Regulatory Notice 21-15 - Options Account Approval, Supervision and Margin Requirements FINRA Regulatory Notice 21-29 - Supervisory Obligations Related to Outsourcing to 3rd-Party Vendors Investing 2020: New Accounts and the People Who Opened Them FINRA Regulatory Notice 21-12 – Order Handling and Liquidity Management During Extreme Market Condit FINRA Regulatory Notice 21-23 - FINRA Reminds Member Firms of Requirements Concerning Best Execution SEC Bulletin: Risks Associated with Omnibus Accounts Transacting in Low-Priced Securities FINRA Regulatory Notice 15-46 - Guidance on Best Execution FINRA Regulatory Notice 21-03 - Low-Priced Securities SEC Risk Alert - Compliance Issues Related to Suspicious Activity Monitoring and Reporting Regulatory Notice 10-18 - FINRA Guidance on Master and Sub-Account Arrangements FINRA Examination of Zero Commissions SEC Report on Algorithmic Trading in U.S. Capital Markets Illegal Practices of High-Frequency Trading (HFT) firms SEC Market Structure Research: Speed of the Equity Markets U.S. Equity Market Structure Primer SEC Market Structure: Data Downloads