MELA Sciences Inc (NASDAQ:MELA) soared 9.18% to $3.45. The Company announced positive results of its study of MelaFind with German dermatologists. The study demonstrated that dermatologists who incorporated MelaFind into their biopsy decision-making process for the detection of melanoma at its earliest, most curable stages outperformed those who did not have the MelaFind information. The study was conducted in collaboration with the German Cooperative Oncology Group and German Skin Cancer Society. I
Merge Healthcare Inc (NASDAQ:MRGE) jumped up 8.42% to $3.22 on a traded volume of 378k shares. The Company was named the number one global market leader in providing vendor neutral archive solutions by InMedica. InMedica is a division of IMS Research.
Staples Inc (NASDAQ:SPLS) decreased 1.62% to $13.01.The Company announced that Nexus 7 from Google is available for pre-sale. Nexus 7 8GB and 16GB will be available in Staples stores nationwide and at Staples.com later this month.
Acme Packet Inc (NASDAQ:APKT) declined 4.26% to $15.07 after the Company estimated second quarter results below expectations on continued weakness in the North American telecom service provider market. The Company expects second-quarter profit of 12 cents to 13 cents per share. The Company estimates revenue between $66 million and $68 million. The gross margin is expected to range between 79% and 80%. However, analysts were expecting earnings of 18 cents per share on revenue of $73.9 million.
Plains Exploration & Production Company (NYSE:PXP) increased 3.61% to $38.19 after the Company announced preliminary second quarter results. The Company expects daily sales volumes of approximately 98 thousand barrels of oil equivalent per day. PXP expects approximate $220 million pre-tax gain on mark-to-market derivative contracts Brent crude oil price averaged $108.73 per barrel. The Company expects Brent crude oil price to be around $108.73 per barrel for the second-quarter 2012.
The Company is scheduled to release 2012 second quarter results on August 2, 2012.