The top after-market NASDAQ stock market gainers are: Green Plains Renewable Energy, InterMune, Zumiez, Netlist, and RadNet. The top after-market NASDAQ stock market losers are: Sigma Designs, Peet's Coffee & Tea, Wonder Auto Technology, MakeMyTrip, and Cbeyond.

Gainers

Green Plains Renewable Energy, Inc. (GPRE) stock jumped 8.95 percent to $13.15 in the after-market trading, as its fourth quarter earnings and revenue exceeded Street view. Profit was $16.38 million or $0.44 a share, down from $23.05 million or $0.91 a share last year. Revenue grew to $756.84 million from $436.71 million. Analysts had expected profit of $0.36 a share on revenue of $651.98 million.

InterMune Inc. (ITMN) stock grew 7.56 percent to $39.98 in the after-market trading.

Zumiez, Inc. (ZUMZ) stock gained 5.82 percent to $27.45 in the after-market trading, as it reported a 12.8 percent growth in same-store sales for February. Sales for the month rose 18.3 percent to $32.7 million.

Netlist Inc. (NLST) stock increased 5.29 percent to $2.39 in the after-market trading, as its fourth quarter loss narrowed from Street view. Loss was $3.24 million or 13 cents a share, compared to a loss of $3.02 million or 15 cents a share last year. The latest quarter results included stock-based compensation expense of $0.3 million. Sales rose to $10.10 million from $6.70 million. Analysts had expected a loss of 15 cents a share on revenue of $11.09 million.

RadNet, Inc. (RDNT) stock rose 5.26 percent to $3.40 in the after-market trading.

Losers

Sigma Designs, Inc. (SIGM) stock plunged 8.69 percent to $12.51 in the after-market trading, as it sees a temporary dip in revenue for the first half of 2012. The company expects first quarter revenue of $60 million to $65 million, while Street predicts $68.05 million. The company expects its second half of fiscal 2012 to be a significant improvement over the first half.

Sigma Designs reported adjusted profit for the fourth quarter of $10.1 million or 32 cents a share, down from $11.3 million or 37 cents a share last year. Revenue rose to $70.6 million from $68.1 million. Analysts had expected profit of 31 cents a share on revenue of $70.45 million.

Peet's Coffee & Tea Inc. (PEET) stock tumbled 6.78 percent to $42.87 in the after-market trading.

Wonder Auto Technology, Inc. (WATG) stock slid 4.88 percent to $6.20 in the after-market trading, as it announced its financial restatements to fiscal 2008 and 2009. Brokerage firm Oppenheimer downgraded its rating to perform from outperform

The company has concluded on Feb. 23 that its financial statements as of and for the years ended December 31, 2008 and 2009, included in its Annual Report on Form 10-K for the year ended December 31, 2009, as well as the financial statements included in its Quarterly Reports on Form 10-Q for the quarters ended March 31, June 30 and September 30 during each of the years 2008 and 2009, should no longer be relied upon due to a cutoff error regarding timing of revenue in such periods.

Wonder Auto is continuing to evaluate the impact of the cutoff errors on its quarterly reports on Form 10-Q for the periods ended March 31, June 30 and September 30, 2010. Although the company has not completed its analysis, it currently is expected that the net effect of these adjustments on its financial statements will be an increase in revenues and income in 2008 and 2009.

MakeMyTrip Ltd. (MMYT) stock declined 4.66 percent to $26 in the after-market trading.

Cbeyond, Inc. (CBEY) stock decreased 3.06 percent to $13 in the after-market trading, as its fourth quarter loss widened than Street view. Loss was $1.99 million or 7 cents a share, compared to a profit of $925,000 or 3 cents a share last year. Revenue rose to $116.24 million from $107.72 million. Analysts had expected a loss of 2 cents a share on revenue of $116.76 million. The company expects 2011 revenue growth of 6 percent to 8 percent and capital expenditures of $75 million to $80 million.