— Better prices boosted net income at Arch Coal by 48 percent in the fourth quarter, but that was still shy of Wall Street expectations and shares slid after the company followed its peers in announcing coal production this year.
— Investment manager Apollo Global Management LLC reported sharply lower fourth-quarter profit as it marked down the value of its private equity and capital markets investments.
— Clinical lab services company Laboratory Corporation of America Holdings reported that its fourth quarter earnings edged up 3 percent as revenue and expenses both rose.
