The top aftermarket NYSE gainers Tuesday were: Guidewire Software, Harvest Natural Resources, Regions Financial Corp, Cliffs Natural Resources, Guess?, Inc, and Navistar International Corp. The top aftermarket NYSE losers were: Medifast, RPC, Solutia Inc, Noranda Aluminum Holding, CIT Group and MetLife.

Gainers

Guidewire Software, Inc. (GWRE) shares climbed 10.14 percent to $28.25 in post market trading after gaining nearly 13 percent in regular session. The company reported second quarter net profit of $3.7 million or $0.06 per share compared to $5.4 million or $0.11 per share in the same period a year ago. Revenue rose to $55.1 million from $42.3 million in the same quarter last year, while analysts' expected the company to report quarterly net profit of $0.03 per share on revenues of $46.23 million.

Harvest Natural Resources Inc. (HNR) shares surged 4.96 percent to $8.25 in aftermarket trading session.

Regions Financial Corp. (RF) shares surged 4.15 percent to $6.02 in aftermarket trading. The company announced that it has commenced an underwritten public offering of approximately $900 million of its common stock as part of its plan to repurchase the $3.5 billion of Series A Preferred Stock issued to the U.S. Treasury Department under the Troubled Asset Relief Program's (TARP) Capital Purchase Program (CPP).

Cliffs Natural Resources Inc. (CLF) stock gained 3.39 percent to $67.11 in aftermarket trading session. The company announced a new strategic capital allocation plan intend to drive total shareholder return (TSR). CLF's Board of Directors approved a 123 percent increase in the quarterly dividend to $0.625, from the previous quarterly rate of $0.28.

Guess?, Inc. (GES) shares rose 2.02 percent to $37.46 in aftermarket trading session. The company is expected to report fourth quarter net profit of $1.05 per share after the closing bell Wednesday.

Navistar International Corp. (NAV) shares advanced 1.93 percent to $41.72 in aftermarket session. The stock has a 52-week low of $30.01, a 52-week high of $71.49 and $2.80 billion in market capitalization.

Losers

Medifast, Inc. (MED) shares slumped 7.19 percent to $15.50 in aftermarket trading. Its fourth quarter net income declined to $1.2 million or $0.08 per share from $3.4 million or $0.23 per share in the same quarter a year-ago. Medifast expects first quarter earnings to be in a range of $0.36 to $0.38 per shares on revenues of $86.5 to $88.5 million, while analysts' expect the company to report first quarter net profit of $0.45 per share on revenues of $83.40 million.

RPC, Inc. (RES) shares plunged 4.45 percent to $10.08 in post market trading session. The stock has a 52-week low of $9.31, a 52-week high of $19.37 and $2.32 billion in market capitalization.

Solutia Inc. (SOA) shares plunged 4.43 percent to $26.73 in aftermarket trading.

Noranda Aluminum Holding Corp. (NOR) shares declined 4.17 percent to $10.80 in post market session. The company announced a public secondary offering of 10 million shares of common stock by certain investment funds affiliated with or managed by Apollo Management VI, L.P.

CIT Group Inc. (CIT) shares declined 3.98 percent to $39.13 in post market trading session. The company asked a federal judge to approve a $75 million settlement proposal with former CIT shareholders in a class-action securities fraud lawsuit over actions preceding the large commercial lender's 2009 bankruptcy, Reuters reported.

MetLife, Inc. (MET) shares declined 3.83 percent to $37.95 in aftermarket trading session. The stock has a 52-week low of $25.61, a 52-week high of $47.10 and $41.84 billion in market capitalization.

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