VistaPrint NV (NASDAQ:VPRT) is the biggest loser and slumped 35% to $32.68 after creating a new 52-week low of $31.65 earlier in the session. The company forecasted first-quarter profit of 27 cents to 32 cents a share on revenue of $159 million to $164 million, missed the analysts’ estimates of 46 cents and $174 million of revenue.

NVIDIA Corporation (NASDAQ:NVDA) plunged 9.75% to $9.14 after the company issued a disappointing revenue guidance for the second quarter. The company lowered its revenue outlook to 800 million to $820 million from the previously forecasted range of $950 million to $970 million.

LSI Corporation (NYSE:LSI) shares slumped 13.20% to $4.11 and made a new 52-week low of $4.09 after the semiconductor developer reported a swing to second-quarter profit late Wednesday, matching an average estimate of 11 cents a share on an adjusted basis, according to FactSet Research.

Teradyne, Inc. (NYSE:TER) rose 7% to $10.91 after the company swung to second-quarter profit of 88 cents a share from a loss of 67 cents a year earlier. Adjusted earnings from continuing operations were 85 cents a share, versus a loss of 7 cents. Revenue reached $1.01 billion from $736.8 million. Analysts were looking for a profit of 51 cents a share on revenue of $928.5 million.

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This entry was posted on Thursday, July 29th, 2010 at 3:58 pm and is filed under WPS Stock Alerts . You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.