The top after-market NASDAQ gainers Thursday were: Sierra Wireless, Sangamo BioSciences, Brooks Automation, Novatel Wireless, Forrester Research, NXP Semiconductors, ViewPoint Financial Group, Akorn, Interface and Align Technology.

Sierra Wireless, Inc. (SWIR) stock climbed 12.5 percent to $8.46 in post market trading session. The company reported fourth quarter net profit of $0.08 per share compared to $0.16 per share in the same quarter a year-earlier and against analysts’ estimation of $0.08 per share.

For the first quarter, the company expects earnings to be in a range of $0.06 to $0.10 per share on revenues of $143 to $148 million, while analysts ‘expect the company to report quarterly net profit of $0.02 per share on revenues of 141.64 million for the first quarter.

Sangamo BioSciences, Inc. (SGMO) stock climbed 10.65 percent to $4.78 in post market trading session. Its fourth quarter net loss narrowed to $0.12 per share from $0.18 per share in the same period last year.

Brooks Automation, Inc. (BRKS) stock surged 8.41 percent to $12.24 in post market trading session. The company reported first quarter adjusted net profit of $0.06 per share compared to $0.37 per share in the same period a year-ago and against analysts’ estimation of $0.03 per share.

For the second quarter, the company currently expects adjusted earnings to be in a range of $0.15 to $0.20 per share on revenues of $132 to $140 million, while analysts’ expect the company to report quarterly net profit of $0.09 per share on revenues of $127.97. Novatel Wireless, Inc. (NVTL) stock surged 7.78 percent to $3.60 in post market trading session.

Forrester Research, Inc. (FORR) stock surged 7.62 percent to $35.30 in post market trading session. The company reported fourth quarter net profit of $9.2 million or $0.40 per share compared to $5.9 million or $0.26 per share in the same quarter last year and against analysts’ estimation of $0.36 per share.

NXP Semiconductors N.V. (NXPI) stock gained 5.96 percent to $23.30 in post market trading session. The company reported fourth quarter adjusted net income of $59 million or $0.24 per share compared to $95 million or $0.37 per share in the same period last year. NXP expects first quarter adjusted earnings to be in a range of $0.10 to 0.24 per share on revenues of $927 to $984 million.

 ViewPoint Financial Group, Inc. (VPFG) stock gained 5.25 percent to $14.84 in post market trading session. VPFG will replace SonoSite, Inc. in the S&P SmallCap 600 index after the close of trading on Wednesday, Feb 15.

Akorn, Inc. (AKRX) gained 4.52 percent to $12.50 in post market trading session. AKRX will replace replace Blue Coat Systems, Inc. in the S&P SmallCap 600 index after the close of trading on Monday, Feb 13.

Interface, Inc. (IFSIA) stock gained 4.35 percent to $13.43 in post market trading session. The stock has a 52-week low of $9.75, a 52-week high of $20.48 and $842.72 million in market capitalization.

Align Technology, Inc. (ALGN) stock gained 3.91 percent to $27.08 in post market trading session. The stock has a 52-week low of $14.25, a 52-week high of $27.12 and $2.05 billion in market capitalization.