Notice of Filing of Proposed Rule Change To Enhance the IEX Retail Price Improvement Program for the Benefit of Retail Investors

Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change To Enhance the IEX Retail Price Improvement Program for the Benefit of Retail Investors

Notice of Filing of Amendment No. 1 and Order Granting Accelerated Approval of a Proposed Rule Change, as Modified by Amendment No. 1, To Revise the Definitions of Retail Orders and Retail Liquidity Provider Orders and Disseminate a Retail Liquidity Ident