Order Granting Approval of Proposed Rule Change, as Modified by Amendments No. 1, 2, and 3, To Allow the Exchange To Trade, Pursuant to Unlisted Trading Privileges, any NMS Stock Listed on Another National Securities Exchange; Establish Rules for the Trading Pursuant to UTP of Exchange-Traded Products; and Adopt New Equity Trading Rules Relating To Trading Halts of Securities Traded Pursuant to UTP on the Pillar Platform