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Comments on NASDAQ OMX PHLX LLC (Phlx)Rulemaking

Notice of Filing of Proposed Rule Change to Address Obvious and Catastrophic Options Errors in Response to the Regulation NMS Plan to Address Extraordinary Market Volatility

(Release No. 34-69141; File No. SR-Phlx-2013-29)

Apr. 5, 2013 Thomas A. Wittman, President, NASDAQ OMX PHLX LLC, Philadelphia, Pennsylvania







Modified: 04/10/2013