CHICAGO (MarketWatch) — Here are some of Thursday’s most actively traded stocks:
Apricus Biosciences shares rallied 8%, paring earlier gains, as the firm said it has licensed Takeda Pharmaceuticals International to market Vitaros, its erectile dysfunction drug, in the United Kingdom.
Cliffs Natural Resources Inc. /zigman2/quotes/205424168/composite CLF +0.56% was up 7% after the mining company unveiled a series of executive changes. Among them, Terrance Paradie was named chief financial officer.
Equinix Inc. /zigman2/quotes/208927761/composite EQIX +4.33% rose 7.5% after the data-center technology company announced plans to convert to a real-estate investment trust by the start of 2015.
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K12 Inc. /zigman2/quotes/205813628/composite LRN +0.36% shares added 6.2% after results reported late Wednesday showed that the education company swung to a profit for the fourth quarter of fiscal 2012 as revenue rose 33% from a year earlier.
LiveDeal Inc. /zigman2/quotes/205982386/composite LIVE -0.35% shares surged 18%. The Internet-marketing and mobile-technology firm said earlier Thursday that Skype veteran Perry Teevens will join the company as senior vice president in charge of business development, effective Oct. 1.
Pall Corp. /zigman2/quotes/203176788/composite PLL -1.24% shares rose 9%. Pall, which makes filtration and purification systems, reported late Wednesday a sharp increase in adjusted earnings for the fourth quarter ended July 31.
RIT Technologies Ltd. /zigman2/quotes/203760632/delayed RITT -16.33% shares were up 14% after the provider of data-center management products said it had reached the final development stage for a new family of hardware products known as PV+.
Sunesis Pharmaceuticals Inc. shares were up another 11% Thursday, adding to a rally that has seen the stock jump 27% this week on positive news regarding a late-stage trial of one of the company’s drugs.
Tsakos Energy Navigation Ltd. /zigman2/quotes/209262575/composite TNP +1.27% shares were up 9% after Global Hunter Securities started coverage with a buy rating.
Vical Inc. shares rose 8%. The biopharmaceutical-research firm said that Bristol-Myers Squibb Co. /zigman2/quotes/202559280/composite BMY -0.41% has licensed its patented platform DNA-immunization technology on a nonexclusive, worldwide basis.
FirstMerit Corp. shares slumped 11% after the company said it had agreed to acquire Citizens Republic Bancorp Inc. , of Flint, Mich., in a stock-swap deal valued at about $950 million.
Pluristem Therapeutics /zigman2/quotes/201305047/composite PSTI -1.80% shares fell 15%. The stem-cell firm said late Wednesday that it’s planning to sell an unspecified number of common shares and warrants in a public offering.
Tranzyme Pharma shares lost 5.2%. The company said late Wednesday that it has agreed to sell some 2.6 million common shares at a price of $3.85 each in a registered direct offering.