NEW YORK ( TheStreet) -- Several stocks trading near $5 were moving on above-average volume during Thursday's session. LML Payment Systems ( LMLP) rallied by 51 cents, or 32.5%, to $2.08 after the electronic payment company said fiscal third-quarter adjusted earnings doubled from a year ago to 4 cents a share. That came as revenue jumped 56% to $4.74 million Volume topped 260,000 shares, compared to the 50-day average daily volume of 91,000, according to the Nasdaq. GeekNet ( LNUX) jumped by 27 cents, or 20.9%, to $1.56 after the Web site property company reported fourth-quarter earnings of 3 cents a share, which surprised analysts who had expected a loss in the quarter, based on the average of two estimates. Volume topped 760,000 shares, compared to the 50-day average daily volume of 105,000. Amkor Technology ( AMKR) lost 64 cents, or 10.1%, to $5.70 even as the semiconductor packaging company swung to a fourth-quarter profit of 33 cents a share, which was above the Thomson Reuters average estimate of 9 cents a share. Looking ahead, Amkor offered a first-quarter earnings guidance range of 17 cents to 22 cents a share in the most recent quarter, which is in line with the Thomson Reuters average estimate. Volume topped 5.13 million shares, compared to the 50-day average daily volume of 2.75 million. Opko Health ( OPK) jumped by 28 cents, or 16.1%, to $2.02 after the specialty healthcare company announced the development of a simple diagnostic blood test for Alzheimer's disease. The test, designed to detect elevated levels of antibodies unique to Alzheimer's disease, was approximately 95% accurate in initial testing, Opko said. Volume topped 1.74 million shares, compared to the three-month average daily volume of 254,000, according to Yahoo! Finance. -- Written by Robert Holmes in Boston. Check out all of Thursday's high-volume, under-$5 stocks at the Dollar Store Follow Robert Holmes on Twitter and become a fan of TheStreet.com on Facebook.