The top after-market NYSE gainers Wednesday were CBS Corp, Nu Skin Enterprises, Triple-S Management, Intrepid Potash and Verifone Systems. The top after-market NYSE losers were Country Style Cooking, HHGregg, Northern Tier Energy, Air Lease Corp and Forum Energy Technologies.

Gainers

CBS Corp. (NYSE:CBS) shares climbed 8.20 percent to $41.05 in post-market trading. The company Wednesday announced a pair of strategic initiatives regarding its CBS Outdoor operating segment, which is comprised of two businesses - one in the Americas and the other in Europe and Asia.

Nu Skin Enterprises, Inc. (NYSE:NUS) shares surged 5.29 percent to $44.75 in post-market trading. The company currently expects the fourth quarter net income to be in a range of $0.94 to $0.96 per share on revenues of $588 million compared to Reuters’ estimate of a net profit of $0.83 per share on revenues of 531.57 million.

Triple-S Management Corp. (NYSE:GTS) shares surged 3.88 percent to $18.46 in post-market trading. The company stock plunged more than 3.5 percent in regular trading.

Intrepid Potash, Inc. (NYSE:IPI) shares advanced 2.85 percent to $22.41 in post-market trading. The stock has a 52-week low of $18.42, a 52-week high of $26.44 and $1.64 billion in market capitalization.

Verifone Systems, Inc. (NYSE:PAY) shares rose 2.81 percent to $32.53 in post-market trading. The stock has a 52-week low of $27.33, a 52-week high of $55.89 and $3.42 billion in market capitalization.

Losers

Country Style Cooking Restaurant Chain Co., Ltd. (NYSE:CCSC) shares tumbled 6.17 percent to $7.60 in post-market trading the company announced preliminary fourth quarter results. The company currently expects to report the fourth quarter revenue slightly below the bottom range of its previous revenue guidance of $47.7 million.

HHGregg, Inc. (NYSE:HGG) shares plunged 3.80 percent to $7.60 in post-market trading. The company stock climbed nearly 4 percent in regular trading Wednesday.

Northern Tier Energy LP (NYSE:NTI) shares plunged 3.14 percent to $24.70 in post-market trading. Northern Tier announced Wednesday that it had commenced an underwritten public offering of 9,000,000 common units representing the limited partner interests in the Partnership held by Northern Tier Holdings LLC.

Air Lease Corp. (NYSE:AL) shares fell 2.58 percent to $21.90 in post-market trading. The stock has a 52-week low of $18.45, a 52-week high of $26.47 and $2.28 billion in market capitalization.

Forum Energy Technologies Inc. (NYSE:FET) shares declined 2.18 percent to $26.00 in post-market trading. The company lowered its full year earnings guidance to a range of $1.72 to $1.74 per share from its prior estimation of $1.83 to $1.88 per share.

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