FINRA submitted a proposal to delay the implementation of new Debt Research Rules until April 22, 2016. The delay was requested in response to industry questions regarding implementation of the requirements of the new rules.

The Board of Governors of the Federal Reserve System published its repeal of Regulation AA in the Federal Register.

The CFTC Division of Clearing and Risk, Division of Market Oversight and Division of Swap Dealer and Intermediary Oversight extended no-action relief to a regional transmission organization.

The MSRB requested comments on draft amendments to MSRB Rules that would include guidance on (i) establishing the prevailing market price for a security and (ii) calculating markups and markdowns for that prevailing market price.

Forty-five members of Congress signed a letter urging the Department of Treasury Committee on Foreign Investment in the United States to conduct a "full and rigorous" investigation into the potential acquisition of the Chicago Stock Exchange by Chinese company Chongqing Casin Enterprise Group.