Tuesday’s biggest gaining and declining stocks

NEW YORK (MarketWatch) � Shares of the following companies made notable moves in Tuesday�s U.S. stock market:

Advancers

Conn�s Inc.�s CONN �shares rose 15.5% after the electronics and home-appliance retailer raised its profit outlook for the current fiscal year.

CVR Energy Inc.�s CVI �shares climbed almost 6% after investor Carl Icahn said 55% of its outstanding shares were tendered into his $2.26 billion, or $30 a share, unsolicited bid for the crude-oil refiner.

Container of Soladiesel, manufactured by Solazyme.

Solazyme Inc.�s SZYM � shares gained 12% after the developer of algae-derived oil products said it would built a plant in Brazil in a joint venture with Bunge Ltd. BG �

Vringo Inc.�s VRNG �shares jumped almost 5% to $3.25. Tech Crunch�s James Altucher argued in a posting Saturday that the maker of social-networking software�s patent suit against Google Inc. GOOG �could prove lucrative. Read his viewpoint.

Decliners

Comverse Technology Inc.�s CMVT � shares declined 5.7% after the maker of wireless-related billing software reported fourth-quarter revenue below expectations.

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Guidewire Software Inc.�s GWRE � shares slipped 6.6% after the provider of software to property and casualty insurers late Monday filed a secondary offering of as much as 7.5 million shares.

Mitek Systems Inc.�s MITK � shares declined 11% after the software developer called �without merit� a lawsuit against it by USAA, a provider of financial services to U.S. military members.

Navidea Biopharmaceuticals Inc.�s NAVB � shares fell 10.6% after the developer of diagnostics for cancer said U.S. regulators had extended a review of its lymphatic tracing agent, Lymphoseek.

Research In Motion Ltd.�s RIMM � CA:RIM � U.S.-listed shares retreated 9.5% after the Canadian BlackBerry maker launched software that allows its big corporate clients to manage Apple and other competing devices.

Astex Pharmaceuticals Inc.�s ASTX � shares fell 1% after the drug developer said its treatment for acute myelogenous leukemia showed preliminary but promising results in a tria

Uranium Energy Corp.�s UEC �shares skidded 12.4% to $3.38 a day after the company said it would conduct a secondary public offering of nearly 5.6 million shares priced at $3.60 each.