Sources: Universal Display, Ambarella, and VirnetX.

The markets had a quiet week between June 23 and June 27. None of the major market indices ended the week more than 1% away from Monday morning's starting point.

But these three tech stocks clearly never got the order to lay low:

  • Patent portfolio manager VirnetX Holding (NYSEMKT:VHC) surged last Tuesday and then held steady, closing the week 10.8% higher.

  • Digital video processor designer Ambarella (NASDAQ:AMBA) followed a similar pattern, rising as much as 11.3% by Tuesday before sliding back to a more modest 4.8% full-week gain.

  • OLED technology researcher Universal Display (NASDAQ:OLED) did it the other way around, trading sideways or down until last Friday -- when it surged 9% in a single day.

Those are the numbers, dear Fool. To find out more about the catalysts for each of these surging tech stocks, check out the slideshow below.

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Anders Bylund owns shares of Google (A and C shares), and Universal Display. The Motley Fool recommends Ambarella, Apple, Google (A and C shares), RPX, and Universal Display. The Motley Fool owns shares of Ambarella, Apple, Google (A and C shares), and Universal Display. Try any of our Foolish newsletter services free for 30 days.

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