The Digital Chamber asserted that a recent enforcement case involving prediction markets illustrates how blockchain transparency aids rapid detection of suspicious trades and can function as a regulatory asset by creating a permanent and publicly accessible record that supports accountability.

The SEC approved the National Securities Clearing Corporation proposed rule change to move its equity-trade capture and clearing operations to a "24x5" schedule.

NYSE Arca proposed a new best-execution rule requiring its members and their associated persons to use "reasonable diligence" to ascertain the best market for a customer's security and execute the trade at the most favorable price obtainable under prevailing conditions.

The CFTC advised DCMs, SEFs, DCOs and FCMs seeking to extend their hours for trading and clearing that they should submit comprehensive explanations of proposed changes, expected effects on risk and mitigation strategies and must demonstrate compliance with all relevant rules.

A broker that offered self-directed trading to retail investors settled FINRA charges for failing to accurately report statistical and summary information about written customer complaints.