The top after-market NASDAQ gainers Thursday were: Einstein Noah Restaurant Group, Spreadtrum Communications, Sierra Wireless, PowerSecure International and Seanergy Maritime Holdings Corp. The top after-market NASDAQ losers were: Body Central Corp., Anika Therapeutics, QLogic Corporation, Caribou Coffee Company and Pacific Biosciences of California.

Gainers

Einstein Noah Restaurant Group, Inc. (BAGL) shares climbed 28.85 percent to $18.10 in after market session. The group announced its first quarter reports Thursday and said it would review strategic alternatives - a possible merger or sale of the company.

The company reported a better-than-expected net income of $3.2 million or 19 cents per share compared to $1.2 million or 7 cents per share earnings reported in the same period in the previous year. Analysts had expected a profit of 11 cents per share.

Shares of Spreadtrum Communications, Inc. (SPRD), the Chinese semi-conductor provider, rose 15.79 percent in post market session to close at $15.55. The shares gained as the company's second quarter, 2012, revenue guidance is above the analysts' estimates. The company said its revenue forecasts for the second quarter were in the range of $170 million-$175 million while the analysts were expecting the company to forecast a $165-million revenue for the same period.

Sierra Wireless Inc. (SWIR) shares surged 13.78 percent to $8.01 in after market hours trading Thursday. The mobile modem maker posted a profit of 1 cents per share ($345,000) for the first quarter of 2012, compared with a loss of 25 cents ($7.8m) per share for the same period in the previous year.

PowerSecure International, Inc (POWR) shares gained 12.75 percent and reached $5.75 in after market hours trading. The company Thursday reported robust first quarter earnings for the 2012. The company reported $33.2 million which increased 40 percent compared to $23.7 million of revenues in the first quarter of 2011. Revenues also exceeded the analyst estimate of 29.18 million.

Seanergy Maritime Holdings Corp (SHIP) shares advanced 11.64 percent to $3.55 in post market trading Thursday.

Losers

Body Central Corp. (BODY) shares lost heavily on past market hours trading as the shares plummeted to $20.00 losing 30.84 percent. The company reported first quarter results which gave below-the-analysts' expectation forecast for its second quarter revenues and earnings per share. Body Central announced earnings of $0.36 per share, in line with the analysts' expectation of $0.36.

Anika Therapeutics Inc. (ANIK) traded 9.75 percent lower at $15.00 in post market session. The company reported first quarter earnings of $0.14 per share while the analyst estimate was $0.17 per share.

QLogic Corporation (QLGC) shares further plunged 8.07 percent to $15.50 in post market session, after declining 2.66 percent in regular session. The company announced fourth quarter results for the fiscal year ended April 1, 2012. It reported a net revenue of $135.1 million, which is less that the analyst estimated revenue of $137.58 million. The company announced earnings per share at $0.29 while the analysts expected earnings per share to be $0.32.

Caribou Coffee Company Inc (CBOU) stocks slumped 7.08 percent to $13.00 in After Hours trade as the company reported revenue of $80.5 million, less than the analyst estimate of $81.65 million in its first quarter reports.

Pacific Biosciences of California, Inc. (PACB) shares declined by 7.09 percent to $2.36 in post market hours trading.