The MFA and the Futures Industry Association Principal Traders Group suggested further revisions to an SEC proposal to expand certain order-handling disclosure requirements.

Trade associations and state regulators offered several recommendations on the SEC proposal to "tighten" the requirements that broker-dealers must meet before being permitted to post public quotations on OTC securities.

The Financial Information Forum, Nasdaq, CME and Investment Company Institute recommended changes to the SEC's proposed rules on cybersecurity risk management practices.

The Council of Institutional Investors provided the SEC with feedback on its semiannual regulatory agenda with a focus on investor protection, corporate disclosure, and market systems and structure.

Market participants and policymakers at a SIFMA Fixed Income Market Structure Seminar debated recent Treasury Department regulatory initiatives and greater access to market data.