Notice Rule

Notice of Filing of Proposed Rule Change To Revise the Methodology for Determining When to Halt Trading Due to Extraordinary Market Volatility

National Securities Exchanges, Nasdaq BX, Inc. (BX)

Public Comments

Title
Notice of Designation of Longer Period for Commission Action on Proceedings To Determine Whether To Disapprove Proposed Rule Changes Relating to Trading Halts Due to Extraordinary Market Volatility

Last Reviewed or Updated: Sept. 28, 2011