The top after-market NASDAQ gainers Tuesday were: Vitesse Semiconductor Corporation, Himax Technologies Inc, Blue Nile Inc and DealerTrack Holdings Inc.
The top after-market NASDAQ losers were: STEC Inc, Gulfport Energy Corporation and Seattle Genetics Inc.
Vitesse Semiconductor Corporation (VTSS) shares climbed 19.22 percent to $3.35 after market session. Shares of the company rose Tuesday after market hours as it reported second-quarter net loss of $0.25 per share, compared to a loss of $0.37 per share last year.
Himax Technologies Inc (HIMX) shares surged 15.00 percent to $2.30 in after market hours trading Tuesday. Company shares surged as it announced first quarter results that met the raised guidance figures. Company's first quarter revenue increased 18.1 percent year-on-year to $166.7 million.
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Company reported GAAP net income and earnings per diluted ADS of $11.3 million, or 6.6 cents per ADS, for the first quarter of 2012 compared to $2.7 million, or 1.5 cents per ADS, in the same quarter, a year ago.
Blue Nile Inc (NILE) shares advanced 07.95 percent to $29.45 in post market trading. The online retailer of high quality diamonds and fine jewelry reported 3.6 percent increase in the first quarter net sales on Tuesday that exceeded the analysts' expectations.
Dealer Track Holdings Inc (TRAK) shares gained 5.10 percent and reached $30.30 in after market hours trading. The company reported a better-than expected first quarter result on Tuesday.
Adjusted net income for the quarter was 0.22 per share against analysts' expectation of $0.21 per share for the quarter. Revenues for the quarter grew to $91.62 million from $77.19 million in the year-ago period while analysts estimated revenues of $84.20 million for the quarter.
STEC Inc (STEC) shares lost heavily on past market hours trading as shares tumbled to $6.79 losing 11.82 percent. The company reported first quarter net loss excluding items of $7.9 million or $0.17 per share, compared to earnings of $16.8 million or $0.32 per share a year ago, against the analysts' expectation of $0.15 per share for the quarter. The company also gave a below the analysts' expectation forecast for the second quarter.
Seattle Genetics Inc (SGEN) shares plunged 8.57 percent to $17.40 in post market trading.
Gulfport Energy Corporation (GPOR) shares declined 6.40 percent to $21.65 in post market hours. The company on Tuesday had reported first quarter results of $0.48 earnings per share against the analyst estimate of $0.60. Revenue for the quarter was at $65.4 million while the analysts' estimate was $71.15 million.