Changes to the S&P 500: In - AGL Resources (AGL +3.9%), BorgWarner (BWA +1.9%), Perrigo...

|About: AGL Resources (GAS)|By:, SA News Editor
Changes to the S&P 500: In - AGL Resources (AGL +3.9%), BorgWarner (BWA +1.9%), Perrigo (PRGO +0.1%), Dollar Tree (DLTR +1.2%). Out - Nicor (GAS +0.4%), AK Steel (AKS +0.2%), Monster Worldwide (MWW -0.5%), MEMC (WFR +1.9%).