The top after-market NYSE gainers on Wednesday are: Orbitz Worldwide, NetQin Mobile, Esterline Technologies, Regal Beloit, CRH. The top after-market NYSE losers are: Verso Paper Corp, Paragon Shipping, Massey Energy, Anadarko Petroleum and Alpha Natural Resources.

Gainers:

Orbitz Worldwide, Inc. (NYSE:OWW) shares climbed 51.13 percent to $3.34 in post market trading session after the company said an Illinois court ruled in favor of a request for injunctive relief against AMR Corp.'s (AMR) American Airlines, forcing the carrier to make its flights available on the travel website.

NetQin Mobile Inc. (NYSE:NQ) shares advanced 3.79 percent to $6.30 in aftermarket trading session. The company swung to first quarter net income of $1.7 million compared to a net loss of $0.4 million in the same quarter last year. The company expects second quarter earnings to be in the range of $8.6 to $8.8 million.

Esterline Technologies Corp. (NYSE:ESL) shares gained 3.43 percent to $76.02 in aftermarket trading session. The company reported second quarter net income of $45.9 million or $1.47 per share compared to $29.6 million or $0.98 per share in the same quarter last year.

Regal Beloit Corp. (NYSE:RBC) shares advanced 3.33 percent to $68.35 in aftermarket trading session. The company stocks plunged more than 4 percent during regular trading session.

CRH Plc. (NYSE:CRH) shares advanced 3.15 percent to $22.16 in aftermarket trading session. The stock has a 52 week low of $14.76 and 52 week high of $25.16 and has $15.40 billion market capitalization.

Losers:

Verso Paper Corp. (NYSE:VRS) shares slumped 8.99 percent to $3.14 in post market trading session. The company stock plunged 8.24 percent in regular trading session.

Paragon Shipping Inc. (NYSE:PRGN) shares declined 2.71 percent to $2.51 in aftermarket trading session.

Massey Energy Co. (NYSE:MEE) shares declined 1.64 percent to $64.07 in post market trading session. The company's investors lost two court challenges to Alpha Natural Resources Inc.'s buyout of the coal producer for more than $7 billion.

Anadarko Petroleum Corp. (NYSE:APC) shares declined 1.23 percent to $76.18 in post market trading session after the U.S. government said APC is liable under federal oil pollution laws for environmental damage caused by the April 2010 blowout of the Macondo well and the Gulf of Mexico oil spill.

Alpha Natural Resources, Inc. (NYSE:ANR) shares declined 1.22 percent to $52.75 in aftermarket trading session. The company announced the completion of the Massey Energy Company acquisition. Under the terms of the definitive merger agreement announced on January 29, 2011, Massey stockholders receive 1.025 shares of common stock of Alpha and $10.00 in cash for each share of Massey common stock they owned at Wednesday’s closing.

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