The top after-market NASDAQ gainers Tuesday were: Given Imaging, Crosstex Energy, Syneron Medical, InnerWorkings, Amerco, Perry Ellis International, American Capital, United Community Banks, United Community Banks, Jive Software and Spreadtrum Communications.

Given Imaging Ltd. (GIVN) stock climbed 12.7 percent to $20.05 in post market trading session. The company reported fourth quarter net income of $25 per share against analysts’ estimation of $0.19 per share. Revenues rose 8 percent to 48.5 million from $44.9 million in the fourth quarter of 2010, while analysts’ expected the company to report quarterly revenue of $46.8 million for the fourth quarter.

Crosstex Energy Inc. (XTXI) stock surged 6.12 percent to $14.40 in post market trading session.

Syneron Medical Ltd. (ELOS) stock advanced 5.77 percent to $11.55 in aftermarket trading session. Cantor Fitzgerald initiates coverage on ELOS with a “buy” rating and have a price target of $16.00.

InnerWorkings Inc. (INWK) stock surged 5.26 percent to $12.40 in aftermarket trading session. The company reported fourth quarter net profit of $0.12 per share compared to $0.07 per share in the same quarter last year. Revenue jumped 34.4 percent to $175.2 million from $130.4 million in the same period a year ago.

Amerco (UHAL) stock surged 5.24 percent to $113.05 in aftermarket trading session. The company stock declined nearly 5 percent in regular trading session after A.M. Best Co. downgraded the financial strength rating to B (Fair) from B+ (Good) and issuer credit rating to bb+ from bbb- of Repwest Insurance Co, a wholly owned subsidiary of AMERCO.

Perry Ellis International Inc. (PERY) stock gained 5.02 percent to $16.99 in aftermarket trading session. The company stock declined more than 3 percent in regular trading session as its fourth quarter preliminary results fell short of expectations. The company expects fourth quarter adjusted net income to be in a range of $0.35 to $0.38 per share, while analysts expect the company to report net profit of $0.44 per share.

American Capital Ltd. (ACAS) stock advanced 4.48 percent to $9.33 in aftermarket trading session. Its fourth quarter net profit rose to $594 million or $1.73 per share from $381 million or $1.08 per share in the same period a year ago.

United Community Banks Inc. (UCBI) stock advanced 4.3 percent to $9.27 in post market trading session.

Jive Software Inc. (JIVE) stock advanced 4.27 percent to $20.50 in post market trading session. The stock has a 52-week low of $14.18, a 52-week high of $19.95 and $1.16 billion in market capitalization.

Spreadtrum Communications Inc. (SPRD) stock gained 3.78 percent to $17.86 in aftermarket trading session.

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