The top after-market Nasdaq gainers Thursday were Qlik Technologies Inc, Datalink Corporation, The Wet Seal Inc, GT Advanced Technologies Inc and Pilgrim's Pride Corporation while the top after-market Nasdaq losers were LogMein Inc, Medivation Inc, Edgewater Technology Inc and Meru Networks.

Gainers

Qlik Technologies Inc (NASDAQ: QLIK) shares gained 14.81 percent to $26.13 in post-market trading. Qlik Technologies Inc's quarterly results beat the analysts' estimates on higher license sales across its markets, particularly the Americas. The company's net income fell to $13.3 million, or 15 cents per share, from $15.6 million, or 18 cents per share, a year earlier.

Datalink Corporation (NASDAQ:DTLK) shares climbed 10.57 percent to $10.25 in post-market trading Thursday. The company Thursday reported $0.31 earnings per share for the quarter, beating the analysts’ consensus estimate of $0.23 by $0.08. The company posted revenue of $147.30 million in the quarter, compared to the consensus estimate of $128.31 million.

The Wet Seal Inc (NASDAQ:WTSLA) shares advanced 4.38 percent to $3.10 in post-market trading. The company stock has a 52-week trading range of $2.42 -$ 3.73 and a market capitalization of 266.14 million.

GT Advanced Technologies Inc (NASDAQ:GTAT) shares gained 4.00 percent to $3.90 in post-market trading. The company shares have a 52-week trading range of $2.82 - $9.80 and a market capitalization of 446.29 million.

Pilgrim's Pride Corporation (NASDAQ:PPC) shares traded 3.18 percent higher at $9.40 in pre-market trading after the company reported a profit of $22.8 million, or nine cents a share, compared with a year-earlier loss of $85.4 million, or 40 cents a share. Sales rose 20 percent to $2.19 billion. Analysts polled by Thomson Reuters had forecast a loss of seven cents a share on revenue of $1.95 billion.

Losers

LogMein Inc (NASDAQ:LOGM) shares declined 21.85 percent to $18.49 in post-market trading. The company announced its fourth quarter results Thursday and of $0.24, $0.06 better than the analysts’estimate of $0.18. Revenue for the quarter came in at $37 million versus the consensus estimate of $36.73 million. But the shares plummeted as the company forecast FY2013 EPS of $0.09-0.10, versus the consensus of $0.18 and FY2013 revenue of $36-36.5 million versus the consensus of $38.15 million.

Medivation Inc (NASDAQ:MDVN) shares dropped 3.43 percent to $51.52 in post-market trading. The company stock has a 52-week trading range of $30.91 - $59.24 and a market capitalization of 3.96 billion.

Edgewater Technology Inc (NASDAQ:EDGW) shares slumped 6.69 percent to $3.72 in post-market trading. The shares have a 52-week trading range of $ 3.04 - $4.48 and a market capitalization of 43.60 million.

Meru Networks Inc (NASDAQ:MERU) shares fell 2.22 percent to $3.34 in post-market trading. The shares have a 52-week trading range of $1.42 - $5.43 and a market capitalization of 62.61 billion.

New york city