The top after-market NASDAQ Losers Thursday were: Acme Packet, Hansen Medical, Atmel, CME Group, Sigma Designs, Hot Topic, Mindspeed Technologies, Sangamo BioSciences, Cbeyond and Columbia Sportswear.

Acme Packet, Inc. (APKT) shares slumped 12.27 percent to $3.79 in aftermarket trading session. The company reported fourth quarter net profit of $8.72 million or $0.12 per share compared to $14.51 million or $0.21 per share in the same period a year-ago.

For fiscal 2012, the company expects adjusted earnings to be in a range of $0.96 to $1.00 per share on revenues of 338.05 million, while analysts’ expect the company to report net profit of $1.24 per share on revenues of $370.25 million.

Hansen Medical, Inc. (HNSN) shares plunged 7.95 percent to $3.24 in aftermarket trading session. The company stock surged nearly 9 percent in regular trading session.

Atmel Corp. (ATML) shares plunged 6.93 percent to $9.40 in post market trading session after announcing that its fourth-quarter revenues to be approximately $384 million.

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CME Group Inc. (CME) shares plunged 6.15 percent to $249.65 in aftermarket trading session. The company stock surged more than 8 percent in regular trading session.

Sigma Designs, Inc. (SIGM) shares declined 6.13 percent to $5.67 in aftermarket trading session.

Hot Topic, Inc. (HOTT) shares declined 5.88 percent to $7.69 in post market trading session. The stock has a 52-week low of $5.05, a 52-week high of $8.74 and $365.59 million in market capitalization.

Mindspeed Technologies, Inc. (MSPD) shares declined 5.84 percent to $6.77 in aftermarket trading session. The company stock surged more than 6 percent in regular trading session.

Sangamo BioSciences, Inc. (SGMO) shares declined 5.41 percent to $4.20 in aftermarket trading session.

Cbeyond, Inc. (CBEY) shares declined 5.4 percent to $8.59 in aftermarket trading session. The stock has a 52-week low of $5.75, a 52-week high of $14.91 and $275.62 million in market capitalization.

Columbia Sportswear Co. (COLM) shares declined 5.03 percent to $45.49 in post market trading session as its fourth quarter net sales fell short of expectations. Its net income rose to $36.7 million or $1.08 per share from $26.2 million or $0.77 per share in the same period a year-ago. Sales rose 15 percent to $526.08 million from $457.26 in the same period a year-earlier, but fell short of analysts’ estimation of $531.26 million.

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