The top aftermarket NYSE gainers Wednesday were: Flotek Industries, Crown Castle International Corp, Community Health Systems, El Paso Corp, Global Cash Access Holdings and Hovnanian Enterprises. The top aftermarket NYSE losers were: H&R Block, Jones Group, American International Group, Standard Pacific Corp, National Retail Properties and Texas Industries.

Gainers:

Flotek Industries, Inc. (FTK) shares climbed 7.16 percent to $11.83 in post market trading session. The company swung to fourth quarter net profit of $10 million or $0.20 per share compared to net loss of $26.2 million or $0.95 per share in the same quarter a year-ago.

Crown Castle International Corp. (CCI) shares surged 4.03 percent to $54.71 in aftermarket trading session. S&P announced Wednesday that Crown Castle International will replace Constellation Energy Group in the S&P 500 Index on a date to be announced. The change is being made because Exelon Corp. is acquiring Constellation Energy Group in a deal expected to be completed soon pending final approvals.

Community Health Systems, Inc. (CYH) shares surged 3.05 percent to $24.64 in post market trading session. The company announced that its wholly-owned subsidiary, CHS/Community Health Systems, Inc., has commenced a cash tender offer for up to $700.0 million of the Issuer’s approximately $1.8 billion aggregate principal amount outstanding of its 8.875 percent Senior Notes due 2015.

El Paso Corp. (EP) shares gained 2.89 percent to $29.24 in aftermarket trading session. The stock has a 52-week low of $16.01, a 52-week high of $28.60 and $21.96 billion in market capitalization.

Global Cash Access Holdings, Inc. (GCA) shares advanced 2.69 percent to $6.18 in post market trading session after climbing more than 12 percent in regular session.

Hovnanian Enterprises Inc. (HOV) shares gained 2.03 percent to $2.51 in post market trading. 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.

Losers:

H&R Block, Inc. (HRB) shares declined 2.96 percent to $15.40 in aftermarket trading session. Its third quarter net loss narrowed to $3.35 million or $0.01 per share from $12.7 million or $0.04 per share in the same quarter a year-earlier.

Jones Group, Inc. (JNY) shares declined 1.96 percent to $9.98 in post market trading session. The company stock surged nearly 6 percent in regular trading.

American International Group, Inc. (AIG) shares declined 1.94 percent to $28.88 in aftermarket trading session. The U.S. Treasury is seeking to raise $6 billion by selling shares AIG, the insurer that was rescued in 2008.

Standard Pacific Corp. (SPF) shares fell 1.66 percent to $4.14 in aftermarket trading session. The company stock surged more than 5 percent in regular trading session.

National Retail Properties, Inc. (NNN) shares declined 1.57 percent to $26.30 in post market trading session. The stock has a 52-week low of $22.69, a 52-week high of $27.81 and $2.83 billion in market capitalization.

Texas Industries, Inc. (TXI) shares fell 1.51 percent to $32.09 in post market trading session.

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