MDU Resources Group, Inc. (NYSE: MDU) today reported 2022 earnings on a generally accepted accounting principles (GAAP) basis of $367.5 million, or $1.81 per share, with adjusted earnings of $380.2 million, or $1.87 per share, compared to 2021 GAAP earnings of $378.1 million, or $1.87 per share. In the fourth quarter, the company on a GAAP basis earned $117.1 million, or 57 cents per share, with adjusted earnings of $125.7 million, or 61 cents per share, compared to fourth quarter 2021 GAAP earn(…..) Continue reading ยป