Voluntary Benefits

Attorneys for the players filed a 39-page argument in the 8th U.S. Circuit Court of Appeals in St. Louis on Friday.

Shares of Cerner Corp. jumped Friday after the electronic medical records company posted strong first-quarter results and increased contract bookings, and raised its expectations for the full year.

Merck & Co. on Friday said its first-quarter profit more than tripled as strong sales of key drugs and lower costs from integrating its Schering-Plough acquisition offset competition from generic drugs that slashed sales of two heart drugs.

Humana Inc. reports first-quarter financial results on Monday before the market opens.

THE RESULTS: Health insurer Aetna Inc. said Thursday its first-quarter net income rose 4 percent to $586 million, or $1.50 per share. Revenue fell 3 percent…

WellPoint Inc. said a drop in expenses helped raise its first-quarter net income nearly 6 percent, as it became the third big health insurer in the past week to beat analyst expectations and raise its 2011 earnings forecast.