THE RESULTS: WellPoint, the nation’s second-largest health insurer, saw its second-quarter earnings decline 8.3 percent and it cut its 2012 earnings forecast after seeing enrollment slip and medical costs climb.

THE PARTICULARS: The Indianapolis company earned $643.6 million, or $1.94 per share on $15.17 billion in operating revenue. It now expects 2012 adjusted earnings to range between $7.30 and $7.40 per share. That’s down from a previous forecast of $7.57 per share.