Health-Care Stocks Outpace Riskier Shares

shares in that sector have been a boon for investors. More on HS Market Activity Cigna Corporation| CI Unitedhealth Group Inc.| UNH Healthspring Inc.| HS Humana(HUM), WellPoint(WLP), UnitedHealth(UNH) and Aetna(AET) are on pace to more than double this...