The top after-market Nasdaq gainers Tuesday were H&E Equipment Services Inc, Manhattan Associates Inc, Cree Inc, Wintrust Financial Corporation and Linn Co, LLC.

The top after-market Nasdaq losers were Fortinet Inc, Apollo Group Inc, Savient Pharmaceuticals Inc and Intuitive Surgical Inc.

Gainers

H&E Equipment Services Inc (HEES) shares climbed 17.19 percent to $15.54 in after-hours trading Tuesday. The company shares have a 52-week trading range of $9.45-$21.00 and a market capitalization of $462.61 million.

Shares of Manhattan Associates Inc (MANH) rose 10.10 percent in the post-market session to close at $65.30. The shares of the company gained after it reported earnings of $0.75 per share for the quarter, beating the analysts’ consensus estimate of $0.67 by $0.08.

Cree Inc (CREE) shares advanced 8.29 percent to $28.36 in post-market trading. The company reported its quarter earnings Tuesday and declared an EPS of $0.27 for the quarter, beating the Thomson Reuters consensus estimate of $0.26 by $0.01. The company forecast second quarter results in line with analysts' estimates.

Wintrust Financial Corporation (WTFC) shares gained 3.66 percent and reached $38.80 in after-hours trading. The company stocks gained after the company announced higher financial results for its fiscal first quarter. The company reported EPS of 66 cents, up from 52 cents in the same period last year and also topped analysts' estimate of 56 cents.

Linn Co, LLC (LNCO) shares surged 3.58 percent to $39.39 in after-hours trading Tuesday.

Losers

Fortinet Inc (FTNT) shares slumped 17.74 percent to $20.40 in the post-market session Tuesday. The company reported third quarter EPS of $0.14, in line with the analysts' estimate of $0.14, but cut the guidance for the fourth quarter and the financial year 2012. The company now sees quarter four revenues of $142-$146 million, versus the consensus of $146.2 million and expects FY12 revenues of $524-$528 million, versus the prior view of $525-$530 million and the consensus of $528.7 million.

Apollo Group (APOL) shares plunged 8.88 percent to $25.05 in the post-market session. The company’s shares dropped after the company provided guidance for the financial year below the market expectations. Apollo’s net revenue for the fourth quarter declined 11.0 percent and was below the consensus estimate, while the EPS for the quarter surpassed analysts’ expectations.

Savient Pharmaceuticals Inc (SVNT) shares lost 6.12 percent in after-hours trading to reach $10.00. The company shares had gained over 4 percent in Tuesday regular trading after it reported that the Paragon Report will Provide Stock Research on Savient Pharmaceuticals.

Intuitive SurgicalInc (ISRG) shares dropped 5.09 percent to $506.00 in after-hours trading. The company reported third quarter earnings and revenue that increased from the year-ago period and were above Wall Street view. However, the company said that the procedures came in below its expectations, driven by conditions in Europe and changes in prostate cancer detection and treatment, RTT News reported.