The top after-market NYSE gainers Friday were Nationstar Mortgage Holdings, CRH Plc, Pike Electric, Martha Stewart Living and Martha Stewart Living. The top after-market NYSE losers were Skilled Healthcare, El Paso Pipeline, Active Network, Quad Graphics and Forestar Group Inc.

Gainers

Nationstar Mortgage Holdings Inc. (NYSE:NSM) shares climbed 4.76 percent to $41.96 in post-market trading. The company’s stock plunged more than 4.5 percent in regular trading.

CRH Plc (NYSE:CRH) shares surged 4.46 percent to $22.50 in post-market trading. The stock has a 52-week low of $16.22, a 52-week high of $22.31 and $15.57 billion in market capitalization.

Halcon Resources Corp. (NYSE:HK) shares surged 3.74 percent to $7.48 in post-market trading. The stock has a 52-week low of $5.26, a 52-week high of $12.10 and $1.86 billion in market capitalization.

Pike Electric Corp. (NYSE:PIKE) shares gained 3.68 percent to $13.53 in post-market trading. The stock has a 52-week low of $6.93, a 52-week high of $13.39 and $459.13 million in market capitalization.

Martha Stewart Living Omnimedia Inc. (NYSE:MSO) shares rose 3.38 percent to $3.06 in post-market trading.

Losers

Skilled Healthcare Group Inc. (NYSE:SKH) shares plunged 5.22 percent to $5.17 in post-market trading. The company’s stock surged nearly 4 percent in regular trading.

El Paso Pipeline Partners LP (NYSE:EPB) shares plunged 4.54 percent to $40.14 in post-market trading. The stock has a 52-week low of $30.64, a 52-week high of $42.59 and $9.07 billion in market capitalization.

Active Network Inc. (NYSE:ACTV) shares declined 3.06 percent to $5.21 in post-market trading. Its fourth quarter revenue rose 23 percent to $93.7 million compared to that in the same period last year but fell short of analysts’ estimate of $95.2 million.

Quad Graphics Inc. (NYSE:QUAD) shares declined 3.06 percent to $21.03 in post-market trading. The company’s stock surged more than 3 percent in regular trading.

Forestar Group Inc. (NYSE:FOR) shares declined 2.88 percent to $19.42 in post-market trading. The stock has a 52-week low of $11.13, a 52-week high of $20.22 and $693.84 million in market capitalization.