The top after-market NYSE gainers on Tuesday are: Verso Paper, Family Dollar, Aaron's, Dollar General and 99 Cents Only Stores. The top after-market NYSE losers are: Dice Holdings, Airgas, Dean Foods, Hanger Orthopedic Group and LSI Corp.

Gainers

Verso Paper Corp. (NYSE:VRS) shares surged 568.46 percent to $36.70 in post market trading session on Wednesday.

Family Dollar Stores, Inc. (NYSE:FDO) shares climbed 25.91 percent to $55.35 in aftermarket trading session after the company confirmed that it has received an unsolicited conditional proposal from billionaire investor Nelson Peltz's Trian Group to acquire FDO at a price in the range of $55 to $60 per share in cash.

Aaron's, Inc. (NYSE:c) shares gained 10.46 in post market trading session. The company reported fourth quarter net income of $0.45 per share against analysts’ estimation of $0.34 per share. The company expects first quarter revenue in the range of $0.48 to $0.52 per share compared to analysts’ estimation of $0.49 per share.

Dollar General Corp. (NYSE:DG) shares advanced 7.39 percent to $28.92 in aftermarket trading session. The stock has a 52 week low of $22.27 and 52 week high of $33.73 and has $9.19 billion market capitalization.

99 Cents Only Stores (NYSE:NDN) shares advanced 4.7 percent to $17.17 in post market trading session.

Losers

Dice Holdings, Inc. (NYSE:DH) shares plunged 6.21 percent to $14.49 in aftermarket trading session. The company announced a public offering of common stock by certain stockholders, including affiliates of General Atlantic LLC, Quadrangle Group LLC, as well as by the DH.

Airgas, Inc. (NYSE:ARG) shares declined 4.28 percent to $61.00 in post market trading session. The stock has a 52 week low of $59.26 and 52 week high of $71.28 and has $5.37 billion market capitalization.

Dean Foods Co. (NYSE:DF) shares declined 3.17 percent to $9.48 in post market trading session. The company is expected to report fourth quarter net income of $0.14 per share before markets open on Wednesday.

Hanger Orthopedic Group, Inc. (NYSE:HGR) shares declined 2.68 percent to $26.85 in post market trading session.

LSI Corp. (NYSE:LSI) shares declined 1.69 percent to $6.39 in aftermarket trading session. The stock has a 52 week low of $3.89 and 52 week high of $6.73 and has $4.01 billion market capitalization.