The top after-market NASDAQ gainers Tuesday were: Sourcefire, Texas Roadhouse, Canadian Solar, Brocade Communications Systems, Encore Wire Corp and Intuit Inc. The top after-market NASDAQ losers Tuesday were: DealerTrack Holdings, Brightpoint, Rex Energy Corp, Dell Inc, Cheesecake Factory and Netease.com.

Gainers:

Sourcefire Inc. (FIRE) stock climbed 13.07 percent to $40.50 in post market trading session as its fourth quarter earnings topped analysts' estimates. The company reported fourth quarter net profit of $0.25 per share on revenues of $53.2 million compared to analysts' estimation of $0.19 per share on revenues of $46.98 million.

Texas Roadhouse Inc. (TXRH) stock climbed 8.59 percent to $17.70 in aftermarket trading session. The company reported fourth quarter net profit of $0.17 per share compared to $0.14 per share in the same quarter last year and against analysts' estimation of $0.16 per share.

Canadian Solar Inc. (CSIQ) stock climbed 8.37 percent to $4.53 in aftermarket trading session. The company raised its fourth-quarter forecast shipments to 430 and 440 MW compared to its earlier forecast of 340 to 360 MW and 355 MW shipped in third quarter.

Brocade Communications Systems Inc. (BRCD) stock surged 6 percent to $5.83 in aftermarket trading session. The company reported first quarter adjusted net profit of $92.81 million or $0.20 per share compared to $60.48 million or $0.12 per share in the same quarter last year and against analysts' estimation of $0.13 per share.

Encore Wire Corp. (WIRE) stock surged 5.49 percent to $30.00 in post market trading session. Its fourth quarter net profit rose to $16.3 million or $0.69 per share from $4.5 million or $0.19 per share in the same quarter last year.

Intuit Inc. (INTU) stock gained 3.44 percent to $59.50 in aftermarket trading session. The company reported adjusted net profit of $156 million or $0.51 per share compared to $101 million or $0.32 per share in the same quarter last year and against analysts' estimation of $0.45 per share.

Losers:

DealerTrack Holdings Inc. (TRAK) stock slumped 7.98 percent to $28.70 in aftermarket trading session as its fiscal 2012 earnings fell short of expectations. The company expects fiscal 2012 earnings to be in a range of $0.99 to $1.06 per share on revenues of $365 to $372 million compared to analysts' estimation of $1.09 per share on revenues of $381.7 million.

Brightpoint Inc. (CELL) stock plunged 5.4 percent to $9.46 in aftermarket trading session after lowering its fiscal 2012 earnings forecast to no more than $1.13 per share from as much as $1.17.

Rex Energy Corp. (REXX) stock plunged 5.26 percent to $9.91 in aftermarket trading session. Its fourth quarter net loss narrowed to $3.1 million or $0.07 per share from $6.5 million or $0.15 per share in the same period last year. Revenue rose 62.8 percent to $31.7 million but fell short of analysts' expectation of $32.8 million.

Dell Inc. (DELL) stock plunged 5.05 percent to $17.29 in post market trading session. The company reported a fiscal fourth-quarter profit of $764 million, or 43 cents a share, compared with a profit of $927 million or 48 cents a share for the year-earlier period, weighed down by weak consumer PC sales, pricing and supply issues caused by the floods in Thailand.

Cheesecake Factory Inc. (CAKE) stock plunged 4.97 percent to $30.00 in aftermarket trading session. The company expects first quarter adjusted net profit is to be in a range of $0.34 to $.036 per share on revenues of $435 to $440 million compared to analysts' estimation of $0.40 per share on revenues of $443.83 million.

Netease.com Inc. (NTES) stock declined 2.22 percent to $47.19 in aftermarket trading session. The stock has a 52-week low of $35.74, a 52-week high of $55.00 and $6.03 billion in market capitalization.

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