Comments on CHX Rulemaking

Notice of Filing of Proposed Rule Change to Establish a Trading Halt for Individual Stocks Contained In The Standard & Poor's 500 Index

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Date Received
Date Letter Type Commenter Name
Meeting with SEC Officials Memorandum from the Office of Commissioner Walter regarding an August 16, 2010, meeting with representatives of Nasdaq OMX
Meeting with SEC Officials Memorandum from the Office of Commissioner Walter regarding a June 30, 2010, meeting with representatives of the Managed Funds Association
Public Comment John A. McCarthy, General Counsel, Global Electronic Trading Company, Chicago, Illinois
Public Comment Stuart J. Kaswell, Executive Vice President, Managing Director & General Counsel, Managed Funds Association
Public Comment Liam Connell, Allston Trading, LLC; Richard B. Gorelick, RGM Advisors, LLC; Adam Nunes, Hudson River Trading LLC; and Cameron Smith, Quantlab Financial, LLC
Meeting with SEC Officials Memorandum from the Office of Commissioner Luis A. Aguilar regarding a June 4, 2010, telephone call with a representative of Accenture plc
Public Comment Daniel Mathisson, Manager Director, Credit Suisse Securities (USA) LLC
Public Comment Christopher Nagy, Managing Director, Order Routing Strategy, TD Ameritrade
Public Comment George U. Sauter, Managing Director and Chief Investment Officer, The Vanguard Group, Inc.
Public Comment Rep. Melissa L. Bean, U.S. House of Representatives
Public Comment Judith Kittinger
Public Comment Paul Rogers
Public Comment Cliff Pereira
Public Comment James K. Rutledge
Public Comment Thomas Hofler Ph.D.
Public Comment Rep. Edward J. Markey, U.S. House of Representatives
Public Comment Sen. Charles E. Schumer, U.S. Senate

Last Reviewed or Updated: Dec. 18, 2025

File Number
SR-CHX-2010-10
Release Number
34-62130
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