The top after-market NYSE gainers Tuesday were Guidewire Software, Cenveo Inc, Six Flags Entertainment Corp, CONSOL Energy and Pep Boys-Manny, Moe & Jack. The top after-market NYSE losers were Greenhill & Co, Assured Guaranty Ltd, Kindred Healthcare, Nustar Energy L.P. and Giant Interactive Group Inc.

Gainers:

Guidewire Software Inc. (GWRE) shares rallied 12.61 percent to $33.05 in post-market trading. The company swung to fourth quarter net profit of $3.5 million or $0.06 per share compared to a net loss of $1.2 million or $0.06 per share in the same quarter last year. The quarterly revenue rose at 33 percent to $67.6 million, while analysts’ expected net income was $0.04 per share on revenues of $62.33 million.

Cenveo Inc. (CVO) shares climbed 10.71 percent to $2.48 in post-market trading after surging more than 11 percent in regular trading.

Six Flags Entertainment Corp. (SIX) shares surged 5.28 percent to 60.58 in post-market trading. The stock has a 52-week low of $24.72, a 52-week high of $62.37 and $3.05 billion in market capitalization.

CONSOL Energy Inc. (CNX) shares gained 4.92 percent to $30.25 in post-market trading. The company stock plunged more than 4 percent in regular trading after announcing that it will temporarily idle its Buchanan Mine in southwestern Virginia, which produces metallurgical grade coal used in steelmaking.

Pep Boys-Manny, Moe & Jack (PBY) shares advanced 4.67 percent to $9.41 in post-market trading. The company reported second quarter net income of $33.0 million or $0.61 per share, up from $13.9 million or $0.26 per share in the same period last year and also topped Reuters estimation of $0.16 per share.

Losers:

Greenhill & Co. (GHL) shares plunged 5.61 percent to $43.58 in post-market trading. The company stock climbed more than 5 percent in regular trading after analysts at Credit Suisse increased their price target on share of GHL to $48.00 with a “neutral” rating.

Assured Guaranty Ltd. (AGO) shares plunged 4.64 percent to $13.18 in post-market trading. The stock has a 52-week low of $9.16, a 52-week high of $19.04 and $2.68 billion in market capitalization.

Kindred Healthcare Inc. (KND) shares fell 4.60 percent to $11.14 in post-market trading. The company announced Tuesday that its subsidiary has acquired IntegraCare Holdings Inc. for a purchase price of $71 million in cash plus a potential $4 million cash earn out based on 2013 earnings growth.

Nustar Energy L.P. (NS) shares fell 4.49 percent to $48.69 in post-market trading. The company announced Tuesday that it plans to conduct an offering of 6,200,000 common units pursuant to an effective shelf registration statement previously filed with the Securities and Exchange Commission

Giant Interactive Group Inc. (GA) shares fell 4.37 percent to $4.60 in post-market trading. The stock has a 52-week low of $3.02, a 52-week high of $8.14 and $1.14 billion in market capitalization.

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