Top After-Market NASDAQ Movers (Semtech, ValueVision, Inteliquent, HealthStream, Angie's List, Layne, SolarCity, PetSmart, Rigel, BroadSoft)

Gainers

Semtech Corp. (NASDAQ:SMTC) shares climbed 10.68 percent to $34.00 in post-market trading. The company reported fourth quarter net profit of $13 million or $0.19 per share compared to $12.4 million or $0.19 per share in the same period last year. Adjusted profit was $0.49 per share, up from $0.32 per share last year and also topped Reuters' estimate of $0.43 per share.

ValueVision Media, Inc. (NASDAQ:VVTV) shares surged 6.59 percent to $2.91 in post-market trading. Its fourth quarter net loss widened to $0.23 per share from $0.17 per share in the same period last year. Quarterly revenues rose to $177.5 million compared to $147.5 million last year and also topped analysts’ estimate of $161.8 million.

Inteliquent (NASDAQ:IQNT) shares surged 4.52 percent to $3.70 in post-market trading. The company stock plunged more than 4 percent in regular trading.

HealthStream, Inc. (NASDAQ:HSTM) shares advanced 4.14 percent to $21.87 in post-market trading. The stock has a 52-week low of $19.96, a 52-week high of $30.76 and $553.83 million in market capitalization.

Angie's List, Inc. (NASDAQ:ANGI) shares gained 4.17 percent to $19.00 in post-market trading. The stock has a 52-week low of $8.94, a 52-week high of $19.82 and $1.06 billion in market capitalization.

Losers

Layne Christensen Co. (NASDAQ:LAYN) shares slumped 10.87 percent to $19.52 in post-market trading after the company announced preliminary, unaudited results for the fourth quarter ended Jan. 31, 2013. Layne expects fourth quarter loss from continuing operations to be in a range of $23 million to $25 million or $1.18 to $1.28 per share.

SolarCity Corp. (NASDAQ:SCTY) shares plunged 7.16 percent to $17.89 in post-market trading. The company posted fourth quarter net loss of $3 million or $1.10 per share compared to net profit of $14 million or $0.24 per share in the same period last year and also came in worse than Reuters' estimate of a loss of $0.44 per share.

PetSmart, Inc. (NASDAQ:PETM) shares plunged 6.82 percent to $62.01 in post-market trading. Currently, the company expects first quarter net profit to be in a range of $0.92 to $0.98 per share and fiscal 2013 profit to be in a range of $3.76 to $3.92 per share, compared to analysts' forecast of a profit of $0.94 per share for the first quarter and $3.93 per share for the full year.

Rigel Pharmaceuticals, Inc. (NASDAQ:RIGL) shares declined 6.08 percent to $7.11 in post-market trading. The stock has a 52-week low of $5.37, a 52-week high of $11.44 and $658.59 million in market capitalization.

BroadSoft, Inc. (NASDAQ:BSFT) shares declined 5.77 percent to $22.20 in post-market trading. The company stock climbed more than 6 percent in regular trading.