The top after-market NASDAQ gainers Thursday were: Trimble Navigation, Infinera, Zoltek Companies, Digital River, TeleCommunication Systems, On Assignment, Silicon Image, Silicon Motion Technology Corp and Gilead Sciences.

Trimble Navigation Ltd. (TRMB) shares climbed 10.10 percent to $53 in post market trading session. The company reported fourth quarter adjusted net profit of $67.8 million or $0.54 per share compared to $57.1 million or $0.46 per share in the same quarter last year and against analysts’ estimation of $0.48 per share.

For the first quarter, the company expects adjusted net income to be in a range of $0.61 to $0.63 per share on revenues of $477 to $482 million, while analysts’ expect the company to report net profit of $0.58 per share on revenue of $453.14 million.

Infinera Corp. (INFN) shares surged 9.44 percent to $8 in aftermarket trading session. Its fourth quarter net loss widened to $19.4 million or $0.18 per share from $2.7 million or $0.03 per share in the same quarter a year-earlier.

Zoltek Companies, Inc. (ZOLT) shares gained 8.66 percent to $10.29 in aftermarket trading session. The company swung to first quarter net profit of $9.7 million or $0.28 per share compared to net loss of $1.6 million or $0.05 per share in the same quarter a year-earlier.

Digital River, Inc. (DRIV) shares rose 8.12 percent to $18.10 in post market trading session. The company reported fourth quarter adjusted net income of $19.11 million and $0.45 per share compared to $13.64 million and $0.32 per share in the same period last year and against analysts’ estimation of $0.33 per share.

TeleCommunication Systems, Inc. (TSYS) shares gained 7.6 percent to $2.69 in post market trading session. The company reported fourth quarter net profit of $1.0 million or $0.02 per shares compared to $3.5 million or $0.06 per share in the same quarter last year and against analysts’ estimation of $0.02 per share.

On Assignment, Inc. (ASGN) shares gained 6.45 percent to $12.05 in aftermarket trading session. The company stock plunged more than 6 percent in regular trading session.

Silicon Image, Inc. (SIMG) shares gained 5.29 percent to $5.37 in aftermarket trading session. The company reported fourth quarter non-GAAP net income of $4.8 million or $0.06 per share compared to $5.0 million or $0.06 per share in the same quarter last year.

Silicon Motion Technology Corp. (SIMO) shares advanced 5.24 percent to $23.90 in aftermarket trading session. The company reported fourth quarter adjusted net profit of $16.1 million or $0.47 per diluted ADS compared to $5.8 million or $0.18 per diluted ADS in the same quarter last year and against analysts’ estimation of $0.34 per diluted ADS.

Gilead Sciences, Inc. (GILD) shares gained 4.55 percent to $51.61 in aftermarket trading session. Its fourth quarter net profit rose to $665 million or $0.87 per share from $629.4 million or $0.76 per share in the same period a year-earlier.