ALBUQUERQUE, N.M., July 22, 2024 /PRNewswire/ -- PNM Resources, Inc. (NYSE: PNM) is expecting to complete the change of its holding company name to TXNM Energy, Inc. (NYSE: TXNM), effective at 5:00pm ET on August 2, 2024. Trading under the new name and TXNM ticker is expected to begin on Monday, August 5, 2024.The change was overwhelmingly approved by shareholders at its annual meeting on June 4, 2024, and by the PNM Resources Board of Directors. There are no changes to the names of PNM or TNMP, wholly owne ...