These stocks will be making changes in their positions as index re-balancing approaches:

AGL Resources Inc. (NYSE:AGL) will replace Nicor Inc. (NYSE:GAS) in the S&P 500 (NYSEARCA:SPY) effective 12/12. AGL Resources Inc. (NYSE:AGL): AGL shares recently traded at $40.61, up $0.97, or 2.45%. They have traded in a 52-week range of $34.08 to $43.69. Volume today was 271,406 shares versus a 3-month average volume of 474,888 shares. The company’s trailing P/E is 15.69, while trailing earnings are $2.59 per share. Get the most recent company news and stock data here >>

BorgWarner Inc. (NYSE:BWA) will replace AK Steel Holding Corporation (NYSE:AKS) in the S&P 500 effective 12/16. BorgWarner Inc. (NYSE:BWA): BWA shares recently traded at $69.75, up $1.49, or 2.18%. They have traded in a 52-week range of $54.59 to $77.70. Volume today was 321,305 shares versus a 3-month average volume of 1,686,970 shares. The company’s trailing P/E is 16.13, while trailing earnings are $4.32 per share. Get the most recent company news and stock data here >>

Perrigo Co. (NASDAQ:PRGO) will replace Monster Worldwide, Inc. (NYSE:MWW) in the S&P 500 effective 12/16. Perrigo Co. (NASDAQ:PRGO): PRGO shares recently traded at $98.60, up $1.21, or 1.24%. They have traded in a 52-week range of $62.31 to $101.94. Volume today was 211,314 shares versus a 3-month average volume of 859,777 shares. The company’s trailing P/E is 27.56, while trailing earnings are $3.58 per share. Get the most recent company news and stock data here >>

Dollar Tree, Inc. (NASDAQ:DLTR) will replace MEMC Electronic Materials, Inc. (NYSE:WFR) in the S&P 500 effective 12/16. Dollar Tree, Inc. (NASDAQ:DLTR): DLTR shares recently traded at $83.06, up $0.56, or 0.68%. They have traded in a 52-week range of $48.51 to $83.99. Volume today was 161,952 shares versus a 3-month average volume of 1,433,690 shares. The company’s trailing P/E is 22.14, while trailing earnings are $3.75 per share. Get the most recent company news and stock data here >>

HSN, Inc. (NASDAQ:HSNI) will replace AGL Resources Inc. (NYSE:AGL) in the S&P 400 (NYSEARCA:MDY) effective 12/12. HSN, Inc. (NASDAQ:HSNI): HSNI shares recently traded at $36.68, up $0.67, or 1.86%. They have traded in a 52-week range of $27.01 to $38.15. Volume today was 33,026 shares versus a 3-month average volume of 445,608 shares. The company’s trailing P/E is 18.77, while trailing earnings are $1.95 per share. Get the most recent company news and stock data here >>

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) will replace BorgWarner Inc. (NYSE:BWA) in the S&P 400 effective 12/16. Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN): REGN shares recently traded at $51.97, up $0.58, or 1.13%. They have traded in a 52-week range of $30.03 to $79.90. Volume today was 90,839 shares versus a 3-month average volume of 1,237,370 shares. The company’s trailing earnings are $-2.04 per share. Get the most recent company news and stock data here >>

EnerSys (NYSE:ENS) will replace HSN, Inc. (NASDAQ:HSNI) in the S&P 600 effective 12/12. EnerSys (NYSE:ENS): ENS shares recently traded at $25.97, up $1.21, or 4.89%. They have traded in a 52-week range of $17.35 to $40.32. Volume today was 174,304 shares versus a 3-month average volume of 623,923 shares. The company’s trailing P/E is 10.40, while trailing earnings are $2.50 per share. Get the most recent company news and stock data here >>

AK Steel Holding Corporation (NYSE:AKS) will replace Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) in the S&P 600 effective 12/16. AK Steel Holding Corporation (NYSE:AKS): AKS shares recently traded at $8.53, up $0.15, or 1.79%. They have traded in a 52-week range of $5.51 to $17.88. Volume today was 788,004 shares versus a 3-month average volume of 9,230,130 shares. The company’s trailing earnings are $-0.54 per share. Get the most recent company news and stock data here >>

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