 ALBUQUERQUE, N.M., Feb. 26, 2021 PRNewswire -- 2020 GAAP earnings of 2.15 per diluted share 2020 Ongoing earnings per share of 2.28 in line with expectations Affirmed 2021 Ongoing earnings guidance range of 2.27 to 2.37 per diluted share PNM Resources In millions, except EPS 2020... 