Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change to Amend the Opening Auction Process Provided Under Rule 11.23(b)(2)(B) to Delay the Opening Auction Under Certain Market Conditions in Order to Improve Price Disco..

Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change to Amend the Opening Auction Process Provided Under Rule 11.23(b)(2)(B) to Delay the Opening Auction Under Certain Market Conditions in Order to Improve Price Discovery and Allow Executions to Occur at Prices that Better Reflect Current Market Conditions