The top aftermarket NYSE gainers Monday were: C&J Energy Services, Visteon Corp, Centene Corp, Brookdale Senior Living, Hovnanian Enterprises and Alere Inc. The top aftermarket NYSE losers were: FX Alliance, Carnival Corp, Standard Pacific Corp, Vantiv, McClatchy and PPL Corp.

Gainers:

C&J Energy Services, Inc. (CJES) shares surged 4.58 percent to $18.25 in aftermarket session. The company announced that management will be participating in a series of meetings with institutional investors in Seattle, Portland, Los Angeles and San Francisco during the week of April 9, 2012.

Visteon Corp. (VC) shares gained 2.93 percent to $50.60 in post market session. The company announced that its automotive climate joint venture in China, FAWER Visteon Climate Control Systems (FVCC), has opened a plant in Chengdu in southwest China to produce aluminum radiators for vehicle manufacturers.

Centene Corp. (CNC) shares advanced 2.89 percent to $44.21 in post market session. The company stock slumped more than 15 percent in regular session after announcing that its Buckeye Community Health Plan wasn't selected to participate in Ohio's Medicaid program, effective in January 2013.

Brookdale Senior Living Inc. (BKD) shares gained 2.54 percent to $18.60 in aftermarket session. The stock has a 52-week low of $10.98, a 52-week high of $27.89 and $2.20 billion in market capitalization.

Hovnanian Enterprises Inc. (HOV) shares rose 2.53 percent to $2.03 in aftermarket session. The company stock was upgraded to “sector perform” rating from “underperform” rating at FBN Securities.

Alere Inc. (ALR) shares advanced 2.48 percent to $23.95 in post market session. The stock has a 52-week low of $17.82, a 52-week high of $41.18 and $1.88 billion in market capitalization.

Losers:

FX Alliance Inc. (FX) shares plunged 3.32 percent to $14.98 in aftermarket session.

Carnival Corp. (CCL) shares plunged 2.48 percent to $30.25 in post market session. The stock has a 52-week low of $28.52, a 52-week high of $41.95 and $25.17 billion in market capitalization.

Standard Pacific Corp. (SPF) shares declined 2.19 percent to $4.31 in post market session. The company stock gained more than 2 percent in regular session.

Vantiv, Inc. (VNTV) shares declined 2.08 percent to $19.92 in post market session. The stock has a 52-week low of $18.49, a 52-week high of $20.65 and $4.34 billion in market capitalization.

McClatchy Co. (MNI) shares fell 1.98 percent to $2.74 in aftermarket trading. The company stock gained nearly 3 percent in regular session.

PPL Corp. (PPL) shares declined 1.59 percent to $27.22 in post market session. The company announced that it plans to make a registered underwritten public offering of 9,900,000 shares of its common stock.

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