Order Approving a Proposed Rule Change Amending FINRA Rules 12401 (Number of Arbitrators) and 12800 (Simplified Arbitration) of the Code of Arbitration Procedure for Customer Disputes, and FINRA Rules 13401 (Number of Arbitrators) and 13800 (Simplified Arbitration) of the Code of Arbitration Procedure for Industry Disputes, To Raise the Limit for Simplified Arbitration From $25,000 to $50,000