The top after-market NYSE gainers Friday were Equal Energy Ltd, Hilltop Holdings Inc, Corporate Executive Board, Gartner and SM Energy Co. The top after-market NYSE losers were hhgregg, Tutor Perini Corp, PharMerica Corp, Select Medical Holdings Corp and Emergent Biosolutions.

Gainers

Equal Energy Ltd. (EQU) shares rallied 29.03 percent to $4 in post-market trading. The company Friday announced that it had closed an agreement with another Canadian energy company whereby Equal has sold its Lochend Cardium assets for cash consideration of $62 million, effective Oct 1, 2012.

Hilltop Holdings Inc. (HTH) shares climbed 9.65 percent to $15 in post-market trading. The stock has a 52-week low of $7.58, a 52-week high of $13.82 and $771.05 million in market capitalization

Corporate Executive Board Co. (CEB) shares surged 9.56 percent to $45.58 in post-market trading. The company stock plunged nearly 9 percent in regular trading.

Gartner Inc. (IT) shares surged 8.77 percent to $47.58 in post-market trading. The stock has a 52-week low of $34.38, a 52-week high of $51.45 and $4.09 billion in market capitalization.

SM Energy Co. (SM) shares advanced 6.74 percent to $59.80 in post-market trading. The company stock was upgraded to an “outperform” rating from a “market perform” raring at Howard Weil.

Losers

hhgregg, Inc. (HGG) shares tumbled 15.81 percent to $6.39 in post-market trading. The stock climbed nearly 19 percent in regular trading after the company reported the second quarter earnings. Net profit was $3.8 million or $0.11 per share, down from $6 million or $0.16 per share in the same quarter last year but topped analysts’ estimate of $0.09 per share.

Tutor Perini Corp. (TPC) shares slumped 15.44 percent to $10.22 in post-market trading. The company stock climbed more than 18 percent in regular trading.

PharMerica Corp. (PMC) shares plunged 6.85 percent to $12.42 in post-market trading. The stock surged more than 7 percent in regular trading after the company reported that its third quarter net profit had risen to 6.0 million or $0.20 per share from $4.8 million or $0.16 diluted earnings per share in the same period last year.

Select Medical Holdings Corp. (SEM) shares fell 5.01 percent to $11.06 in post-market trading. The stock has a 52-week low of $6.94, a 52-week high of $14.89 and $1.63 billion in market capitalization.

Emergent Biosolutions Inc. (EBS) shares declined 4.91 percent to $13.70 in post-market trading.

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