The top after-market NYSE gainers Thursday were American Greetings Corp, First Horizon National, KBR, Inc, Rio Tinto and Dole Food Co. The top after-market NYSE losers were VOC Energy Trust, El Paso Electric, Capital One Financial, Advanced Micro Devices and Yingli Green Energy.

Gainers

American Greetings Corp. (NYSE:AM) shares climbed 7.88 percent to $16.70 in post-market trading. American Greetings Corp's founding family raised its offer price to take the company private. Chief Executive Zev Weiss, other members of the founding Weiss family and related parties raised their offer from $17.18 American Greetings share to $17.50 per share, Reuters reported.

First Horizon National Corp. (NYSE:FHN) shares surged 3.21 percent to $10.60 in post-market trading. The stock has a 52-week low of $7.44, a 52-week high of $10.99 and $2.54 billion in market capitalization.

KBR Inc. (NYSE:KBR) shares advanced 2.76 percent to $31.23 in post-market trading after surging more than 3 percent in regular trading. The company announced Thursday that it was awarded a contract by Cambodian Petrochemical Co. Ltd (CPC) to provide licensing and engineering services for the Veba Combi Cracker (VCC) Unit to be implemented in the Kampong Som Petrochemical Industrial Zone of Cambodia.

Rio Tinto Plc (NYSE:RIO) shares rose 2.70 percent to $56.30 in post-market trading. The stock has a 52-week low of $41.59, a 52-week high of $63.18 and $101.25 billion in market capitalization.

Dole Food Co, Inc. (NYSE:DOLE) shares advanced 2.37 percent to $10.78 in post-market trading. The stock has a 52-week low of $8.02, a 52-week high of $15.19 and $935.30 million in market capitalization.

Losers

VOC Energy Trust (NYSE:VOC) shares tumbled 11.22 percent to $12.90 in post-market trading. The company Thursday announced the trust distribution of the net profits for the fourth quarterly payment period which ended Dec. 31, 2012. Unit holders of record Jan. 30, 2013 will receive a distribution amounting to $4,420,000 or $0.26 per unit, payable Feb.14, 2013.

El Paso Electric Co. (NYSE:EE) shares slumped 8.55 percent to $29.72 in post-market trading. The company announced Thursday that its Board of Directors had declared a regular quarterly cash dividend on its common stock of $0.25 per share, payable March 29, 2013 to shareholders of record March 14, 2013.

Capital One Financial Corp. (NYSE:COF) shares plunged 7.27 percent to $57.11 in post-market trading. The company reported the fourth quarter net profit of $843 million or $1.41 per share, up from $381 million or $0.88 per share in the same period last year but fell short of Reuters’ estimate of $1.60 per share.

Advanced Micro Devices Inc. (NYSE:AMD) shares plunged 3.28 percent to $2.65 in post-market trading. The stock has a 52-week low of $1.81, a 52-week high of $8.35 and $1.95 billion in market capitalization.

Yingli Green Energy Holding Co Ltd. (NYSE:YGE) shares fell 2.50 percent to $2.73 in post-market trading. The stock has a 52-week low of $1.25, a 52-week high of $6.27 and $427.37 million in market capitalization.

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