The top aftermarket NYSE gainers Thursday were: Renren, Cooper Companies, Chesapeake Midstream Partners, Diana Shipping, Emergent Biosolutions, Quiksilver, Hovnanian Enterprises, Quantum Corp, Genworth Financial and Canadian Natural Resources.

Renren Inc. (RENN) shares climbed 6.36 percent to $5.69 in aftermarket trading session. The company swung to fourth quarter net profit of $44.3 million or $0.11 per ADS compared to net loss of $33.9 million or $0.46 per ADS in the same quarter a year-ago. The company expects first quarter revenue to be in a range of $28 to $30 million compared to analysts’ estimation of $30.89 million.

Cooper Companies, Inc. (COO) shares surged 5.92 percent to $83.60 in post market trading session.

Chesapeake Midstream Partners, L.P. (CHKM) shares advanced 3.74 percent to $30.50 in aftermarket trading session. The stock has a 52-week low of $23.93, a 52-week high of $31.19 and $4.14 billion in market capitalization.

Diana Shipping Inc. (DSX) shares gained 2.44 percent to $8.80 in aftermarket trading session.

Emergent Biosolutions, Inc. (EBS) shares advanced 2.39 percent to $15.00 in post market trading session. The company reported fourth quarter net profit of $0.78 per share, up from $0.76 per share in the same quarter a year-ago.

Quiksilver, Inc. (ZQK) shares rose 2.17 percent to $4.70 in aftermarket trading session. Its first quarter net loss widened to $22.6 million or $0.14 per share from $16.3 million or $0.10 per share in the same period a year-ago, while analysts’ expected net loss of $0.10 per share.

Hovnanian Enterprises Inc. (HOV) shares gained 2.15 percent to $2.85 in aftermarket trading session. The company stock climbed more than 13 percent in regular trading session. Its first quarter net loss narrowed to $18.3 million or $0.17 per share from $64 million or $0.82 per share in the same period a year-ago.

Quantum Corp. (QTM) shares gained 2.13 percent to $2.40 in aftermarket trading session.

Genworth Financial Inc. (GNW) shares advanced 1.8 percent to $9.07 in aftermarket trading session. The company announced that it has priced a public offering of senior notes in an aggregate principal amount of $350 million as an add-on to its existing 7.625 percent senior notes due 2021.

Canadian Natural Resources Ltd. (CNQ) shares advanced 1.68 percent to $36.21 in aftermarket trading session. The company announced that its Board of Directors has declared a quarterly cash dividend on its common shares of C$0.105 (ten and one-half cents) per common share.

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