Mr. Zweihorn is counsel in Davis Polk’s Financial Institutions Group and the trading and markets practice. [Full Bio]

The SEC recently voted to adopt amendments to Rule 606 of Regulation NMS (the “Final Rule”) that expand broker-dealers’ disclosure obligations with regard to how they handle investors’ orders. Specifically, the Final Rule requires broker-dealers, beginning May 20, 2019, (i) to provide, upon request, individualized reports in a
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After a several month lull that led some to question the SEC’s focus on crypto enforcement, this week saw a spate of enforcement activity involving crypto assets: several SEC enforcement actions, an SEC trading suspension order, the first FINRA cryptocurrency enforcement action, and a preliminary court decision consistent with the
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In the first major trading and markets initiative under SEC Chairman Jay Clayton, on March 14, 2018, the SEC proposed to establish a transaction fee pilot program to study the effects of maker-taker fee structures. A pilot study was initially recommended by the SEC’s Equity Market Structure Advisory Committee in
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The past few days have seen several interesting developments in the law and regulation of digital tokens.  Each action reflects an intense focus by U.S. regulators to clarify the treatment of digital tokens, from those issued by startups in initial coin offerings (ICOs) to the more “traditional” cryptocurrencies
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Responding to a 2016 request by the SEC (in consultation with the Treasury Department), FINRA recently reviewed the extent to which various FINRA rules apply to U.S. Treasury securities.  Following up on that analysis, on February 6, 2018, FINRA issued Regulatory Notice 18-05, requesting comment on whether it should
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The Treasury Department’s recent report on capital markets regulation includes a robust discussion of equity market structure issues.  The report does not break new ground or raise issues that have not been debated previously at length, including by the SEC’s Equity Market Structure Advisory Committee (“EMSAC”).  That said, the report


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The U.S. Treasury’s new Capital Markets Report recommends additional administrative requirements for regulatory actions by the SEC and the CFTC (the “Agencies”).  If adopted, the process by which the Agencies issue new regulations and guidance may be more transparent and subjected to more rigorous cost-benefit analysis.  Rulemaking and issuing no-action
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In the wake of a highly-publicized cybersecurity breach involving the SEC’s EDGAR system, SEC Chairman Jay Clayton has been in the hot seat at recent congressional hearings, fielding pointed questions as to whether the SEC should delay implementation of the Consolidated Audit Trail (“CAT”).  The SEC has not announced a
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