The top aftermarket NYSE gainers Wednesday were: Kosmos Energy, Endeavor International, Clear Channel Outdoor Holdings, FXCM Inc, Diana Shipping, Sequans Communications, Babcock & Wilcox, Schawk, ANN Inc and TRC Companies.

Kosmos Energy Ltd. (KOS) shares climbed 35.62 percent to $19.00 in aftermarket trading session. The company announced that it had acquired the participating interest of Sabre Oil & Gas Holdings Ltd. in the Deepwater Tano Block, offshore Ghana.

Endeavor International Corp. (END) shares climbed 7.61 percent to $12.45 in post market trading session. The company stock slumped more than 9 percent in regular trading after reporting fourth quarter earnings. Endeavor swung to fourth quarter net loss of $45.1 million or $1.15 per share compared to $82.26 million or $2.37 per share in the same quarter a year-ago.

Clear Channel Outdoor Holdings, Inc. (CCO) shares surged 6.58 percent to $14.10 in aftermarket trading session. The company announced the pricing of the $275 million aggregate principal amount of 7.625 percent Series A Senior Subordinated Notes due 2020 and $1,925 million aggregate principal amount of 7.625 percent Series B Senior Subordinated Notes due 2020 offered by its indirect, wholly-owned subsidiary, Clear Channel Worldwide Holdings, Inc.

FXCM Inc. (FXCM) shares surged 5.71 percent to $10.00 in aftermarket trading session. The company announced that its fourth quarter revenues to be around $105.2 million, up 9 percent compared to the same period in 2010. FXCM will announce the fourth quarter and full year 2011 results on March 14, 2012 before the opening bell.

Diana Shipping Inc. (DSX) shares gained 5.03 percent to $9.60 in post market trading session.

Sequans Communications S.A. (SQNS) shares advanced 5.02 percent to $3.09 in aftermarket trading session.

Babcock & Wilcox Co. (BWC) shares advanced 5.01 percent to $27.03 in post market trading session. The company reported fourth quarter net profit of $0.54 per share on revenues of $800.8 million compared to analysts’ estimation of $0.41 per share on revenues of $770.67 million.

Schawk, Inc. (SGK) stock gained 4.97 percent to $11.62 in aftermarket trading session. The company announced that its board of directors has declared a regular quarterly dividend of $0.08 per share, payable on March 30, 2012, to Schawk, Inc. Class A common stockholders of record as of March 15, 2012.

ANN Inc. (ANN) shares gained 3.66 percent to $24.76 in aftermarket trading session. The stock has a 52-week low of $19.00, a 52-week high of $32.49 and $1.25 billion in market capitalization.

TRC Companies, Inc. (TRR) shares advanced 2.95 percent to $5.32 in post market trading session. The company stock slumped nearly 10 percent in regular trading session.