The top after-market NYSE gainers Monday were: Dana Holding, Alliant Techsystems, Yingli Green Energy Holding, Celanese and Fusion-io. The top after-market NYSE losers were: J.C. Penney, IHS Inc, Western Gas Partners, HCP and Boise Inc.

Gainers

Dana Holding Corp. (DAN) shares surged 3.88 percent to $12.86 in post-market trading. The stock has a 52-week low of $9.45, a 52-week high of $19.00 and $1.83 billion in market capitalization.

Alliant Techsystems Inc. (ATK) shares advanced 2.32 percent to $47.99 in post-market trading after gaining more than 3 percent in regular session.

Yingli Green Energy Holding Co Ltd. (YGE) shares rose 2.31 percent to $2.90 in post-market trading.

Celanese Corp. (CE) shares gained 1.79 percent to $38.67 in post-market trading. The company announced Monday that its Acetate business will increase the price of acetate tow for core grade items by 8 to 10 percent.

Fusion-io, Inc. (FIO) shares advanced 1.73 percent in post-market trading after climbing nearly 9 percent in regular trading.

Losers

J.C. Penney Co, Inc. (JCP) shares plunged 5.47 percent to $23.00 in post-market trading. The company announced Monday that Michael Francis, in charge of the company's marketing and merchandising, will be leaving the company, effective immediately. Chief Executive Officer Ron Johnson will assume direct responsibility and oversight of the company's marketing and merchandising functions.

IHS Inc. (IHS) shares plunged 3.86 percent to $101.75 in post-market trading. The company announced the commencement of a secondary public offering of 8,000,000 shares of its Class A common stock, par value $0.01 per share, by Conscientia Investment Limited, the selling stockholder.

Western Gas Partners, LP (WES) shares declined 3.55 percent to $43.79 in post-market trading. The company announced a registered underwritten public offering of 5,000,000 common units representing limited partner interests.

HCP, Inc. (HCP) shares fell 3.28 percent to $42.19 in post-market trading. The company announced that it had agreed to sell 7,800,000 shares of its common stock to Citigroup, as sole underwriter, in an underwritten public offering.

Boise Inc. (BZ) shares fell 2.99 percent to $6.50 in post-market trading.