NEW YORK ( TheStreet) -- Several stocks trading near $5 were moving on above-average volume during Friday's session.

VirnetX ( VHC) shares were down 29 cents, or 4.2%, to $6.61 in very volatile trading as the real-time communications provider gears up for a court showdown with Microsoft ( MSFT), set to begin on March 8. VirnetX claims that Microsoft is improperly using three patents in its Windows operating system. Shares of VirnetX rose as high as $7.19 and traded as low as $4.10 during Friday's session. Volume topped 2.9 million shares, compared to the three-month average daily volume of 304,000, according to Yahoo! Finance.

Sutor Technology Group ( SUTR) lost 21 cents, or 6.7%, to $2.92 after the finished steel products manufacturer priced a common stock offering of 2.74 million shares at $2.70 per share. Volume topped 598,000 shares, compared to the 50-day average daily volume of 147,000, according to the Nasdaq.

Move Inc. ( MOVE) jumped by 24 cents, or 14.1%, to $1.94 after the real estate Web site operator posted fourth-quarter revenue of $49.6 million, which was above the analyst consensus target of $47.6 million, and offered better-than-expected revenue guidance for the first quarter. Volume topped 1.19 million shares, compared to the 50-day average daily volume of 691,000.

Dot Hill Systems ( HILL) dropped by 26 cents, or 15.8%, to $1.39 after the data storage provider reported a fourth-quarter net loss of 18 cents a share, which was worse than the single analyst estimate for a loss of 5 cents a share in the quarter. Volume topped 894,000 shares, compared to the 50-day average daily volume of 119,000.

SatCon Technology ( SATC) slid by 33 cents, or 12.2%, to $2.37 after the clean energy technology company notched a fourth-quarter loss of 11 cents a share, which was below the average of two analyst estimates for al sos of 7 cents a share. SatCon also said it expects revenue of $14 million to $16 million in the first quarter, which is below the $18.5-million consensus. Volume topped 1.12 million shares, compared to the 50-day average daily volume of 563,000.

-- Written by Robert Holmes in Boston.

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