Principal Financial Group on Tuesday announced results for the fourth quarter and the full year of 2018. Fourth-quarter net income attributable to Principal was $236.5 million, or 83 cents a share, compared with $841.8 million, or $2.87 per share, for the fourth quarter 2017. For the 12 months ending Dec. 31, net income was $1.55 billion, or $5.36 per share, compared with a record $2.31 billion, or $7.88 per share, for 2017. “While macroeconomic conditions presented challenges in the fourth quarter of 2018, full year 2018 non-GAAP operating earnings were a record $1.6 billion and increased 8 percent over 2017, reflecting the strong execution of our strategy across our diversified businesses,” Dan Houston, chairman, president and CEO, said in a release. Principal’s board authorized a 54-cent-per-share common stock dividend for the first quarter of 2019, bringing the trailing 12-month dividend to $2.13 per share, a 10 percent over the prior-year trailing 12-month period.