The top after-market NYSE gainers Wednesday were Greenbrier Companies, Emulex Corp, US Airways Group, Genworth Financial and Radian Group. The top after-market NYSE losers were ITT Educational Services, PVH Corp, RAIT Financial Trust, Red Hat and Nordic American Tanker Ltd.

Gainers

Greenbrier Companies Inc. (NYSE:GBX) shares climbed 6.66 percent to $22.75 in post-market trading. The company announced Wednesday that it received new orders in January, February, and March for 5,400 railcar units valued at approximately $575 million.

Emulex Corp. (NYSE:ELX) shares surged 3.03 percent to $6.80 in post-market trading. The stock has a 52-week low of $5.85, a 52-week high of $10.79 and $597.95 million in market capitalization.

US Airways Group, Inc. (NYSE:LCC) shares gained 2.82 percent to $17.12 in post-market trading. A judge Wednesday approved AMR Corp's plan to merge with US Airways Group, a step toward creating the world's largest airline, Reuters reported.

Genworth Financial Inc. (NYSE:GNW) shares advanced 2.36 percent to $10.43 in post-market trading. The company announced that it has reached an agreement to sell its Wealth Management business, including Genworth Financial Wealth Management and alternative solutions provider, the Altegris companies, to a partnership of Aquiline Capital Partners and Genstar Capital for approximately $412.5 million.

Radian Group Inc. (NYSE:RDN) shares advanced 1.92 percent to $10.63 in post-market trading. The stock has a 52-week low of $2.00, a 52-week high of $10.95 and $1.39 billion in market capitalization.

Losers

ITT Educational Services, Inc. (NYSE:ESI) shares slumped 5.97 percent to $13.18 in post-market trading. The company stock surged more than 5 percent in regular trading.

PVH Corp. (NYSE:PVH) shares plunged 4.51 percent to $107.70 in post-market trading. Its fourth quarter adjusted net profit rose to $118.5 million or $1.60 per share from $87.3 million or $1.19 per share in the same period last year. Currently, the company expects fiscal 2013 adjusted earnings to be $7.00 per share, below analysts’ estimate of $7.46 per share.

RAIT Financial Trust (NYSE:RAS) shares plunged 3.81 percent to $7.83 in post-market trading. The company announced Wednesday that it has commenced an underwritten public offering of 7,000,000 common shares.

Red Hat Inc. (NYSE:RHT) shares declined 3.74 percent to $48.10 in post-market trading. The company reported fourth quarter net profit of $42.97 million or $0.22 per share, up from $35.97 million or $0.18 per share in the same period last year. Quarterly revenues rose to $347.88 million from $297.01 million last year but missed analysts’ estimate of $349.64 million.

Nordic American Tanker Ltd. (NYSE:NAT) shares fell 3.50 percent to $11.30 in post-market trading. The stock has a 52-week low of $8.15, a 52-week high of $16.04 and $641.91 million in market capitalization.

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