Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parentheses and prices are as of 4 p.m. in New York.
Altra Holdings Inc. (AIMC US) climbed 10 percent, the most since November 2009, to $16. The maker of power-train components such as brakes and clutches raised its 2010 adjusted earnings and revenue forecast.
Archer Daniels Midland Co. (ADM US) slid 6.6 percent, the most since May 2009, to $31.19. The world’s largest grain processor posted first-quarter profit that missed analysts’ estimates after it was affected by drought in the Black Sea region.
Art Technology Group Inc. (ARTG US) surged 45 percent to $5.96 for the biggest advance in Russell 2000 Index. Oracle Corp. (ORCL US) agreed to buy the Internet relationship management company for approximately $1 billion in cash, or $6 a share, to add e-commerce software.
BioScrip Inc. (BIOS US) fell the most in Russell 2000 Index, sinking 25 percent to $4.20. The Elmsford, New York-based pharmacy-benefits manager withdrew its 2010 earnings forecast.
Bridgepoint Education Inc. (BPI US) rose 11 percent, the most since May 2009, to $15.44. The for-profit education company that first sold shares last year said third-quarter profit surged as new student enrollment increased.
Cabela’s Inc. (CAB US) climbed 21 percent, the most since February 2009, to $22.07. The maker of hunting, fishing and camping gear posted third-quarter profit excluding some items that beat the average analyst estimate by 11 percent. Full-year earnings will meet expectations at least, the company said.
CareFusion Corp. (CFN US) fell 5.6 percent, the most since September 2009, to $23.03. The maker of products to reduce hospital infections and monitor medical safety reported first quarter earnings and revenue that missed analysts’ estimates.
Clorox Co. (CLX US) dropped 4.2 percent, the most since December 2008, to $63.52. The maker of household cleaning products reported first-quarter earnings from continuing operations of 98 cents a share, missing the $1.13 estimated by analysts. The company cut its full-year earnings and revenue forecasts.
Cognex Corp. (CGNX US) advanced 11 percent to $29.54, the highest price since April 2006. The maker of mechanical vision systems that monitor manufacturing raised its forecast for fourth quarter revenue to as much as $85 million. Analysts on average estimated $75 million, according to a Bloomberg survey.
Corinthian Colleges Inc. (COCO US) fell 4.9 percent, the most since Oct. 14, to $4.89. The for-profit operator of more than 100 schools in the U.S. and Canada said first-quarter profit was little changed. Earnings were 38 cents a share, missing the 39-cent average estimate of 12 analysts.
Corporate Executive Board Co. (EXBD US) added 6.3 percent to $33.51, the highest price since September 2008. The Arlington, Virginia-based consulting group increased its full-year forecast after third-quarter profit topped analysts’ estimates.
CVR Energy Inc. (CVI US) climbed 11 percent, the most since March 2009, to $10.60. The Sugar Land, Texas-based oil refiner said it plans to take its nitrogen fertilizer business public as a master limited partnership. The information was disclosed in a regulatory filing.
Energizer Holdings Inc. (ENR US) dropped 9.5 percent, the most since November 2009, to $66.37. The company known for its battery-powered pink bunny and Schick shavers reported fourth-quarter earnings of 81 cents a share on an adjusted basis, missing the 95-cent average estimate.
Harman International Industries Inc. (HAR US) rose the most in the S&P 500, rallying 12 percent to $37.58. The maker of audio systems for homes and vehicles posted first-quarter profit excluding some items of 35 cents a share, beating the average analyst estimate by 32 percent, according to Bloomberg data.
Leapfrog Enterprises Inc. (LF US) advanced 19 percent, the most since Feb. 11, to $6.54. The maker of electronic children’s learning products posted third-quarter profit of 24 cents a share, topping the average analyst estimate by 20 percent.
Lennar Corp. (LEN US) advanced 7.4 percent to $15.63 for the biggest gain since Sept. 20. The third-biggest U.S. homebuilder by sales gained on takeover speculation, said Jack Micenko, an analyst at Susquehanna International Group LLP, said in an e-mail to Bloomberg News.
Home Depot Inc. (HD US) climbed 2.6 percent to $31.51, the most in the Dow Jones Industrial Index, while Lowe’s Cos. (LOW US) rose 3.5 percent to $21.92.
MasterCard Inc. (MA US) rose 2.9 percent to $245.98, the highest price since May 4. The world’s second-biggest payments network posted third-quarter profit that exceeded most Wall Street estimates as more consumers paid with plastic.
Medco Health Solutions Inc. (MHS US) had the second-biggest gain in the S&P 500, climbing 11 percent to $58. The pharmacy benefits manager boosted its full-year forecast after third-quarter earnings exceeded analysts’ estimates.
Melco Crown Entertainment Ltd. (MPEL US) gained 1.6 percent to $6.63, the highest price since October 2009. The venture between an Australian billionaire and the son of Macau gambling magnate Stanley Ho posted a profit in the third quarter, beating analyst estimates, after a second casino boosted its share of China’s gambling boom.
MEMC Electronic Materials Inc. (WFR US) slipped 2.9 percent the most since July 30, to $12.30. The company, which makes silicon wafers used in the technology and solar industries, reported third-quarter profit excluding some items of 10 cents a share. Analysts had expected 13 cents a share.
Microvision Inc. (MVIS US) declined 19 percent to $1.63, the lowest price since May 2009. The developer of ultra-miniature projection display products posted a third-quarter loss excluding some items of 13 cents a share, 18 percent wider than the average analyst estimate, according to Bloomberg data.
MicroStrategy Inc. (MSTR US) declined 6.5 percent, the most since April 30, to $84.64. The maker of analytical software reported third-quarter earnings that missed the average analyst estimate by 40 percent. Roth Capital Partners cut the stock’s rating to “neutral” from “buy.”
Mindspeed Technologies Inc. (MSPD US) slumped 19 percent, the most since November 2008, to $6.13. The maker of semiconductors and related equipment forecast first-quarter sales of $41.2 million at most, missing the average analyst estimate of $48 million.
NutriSystem Inc. (NTRI US) advanced 9.2 percent, the most since May 4, to $20.51. The provider of prepared meals to help clients lose weight boosted its 2010 profit forecast to as much as $1.16 a share. That’s higher than the $1.08 average of analyst estimates compiled by Bloomberg.
Radian Group Inc. (RDN US) rose 15 percent, the most since March 24, to $8.56. The second-largest U.S. mortgage insurer posted its first profit in five quarters as claims costs fell.
Rogers Corp. (ROG US) fell 8 percent, the most since May 4, to $31.49. The maker of components used by telephone, technology and defense companies reported third-quarter profit excluding some items of 56 cents a share. Analysts had expected 57 cents a share.
Sanmina-SCI Corp. (SANM US) dropped 7.2 percent, the most since Aug. 11, to $12.05. The maker of computers and phones forecast first-quarter sales of $1.68 billion at most, trailing the average analyst estimate of $1.71 billion in a Bloomberg survey.
Skilled Healthcare Group Inc. (SKH US) jumped 22 percent to $4.78 for its biggest gain since Sept. 8. The operator of nursing and assisted-living homes increased its full-year forecast, projecting at least 92 cents a share. That topped the average estimate of 88 cents from analysts in a Bloomberg survey.
Spirit Aerosystems Inc. (SPR US) dropped 9.4 percent, the most since Feb. 4, to $19.13. The Wichita, Kansas-based maker of airplane wings and bodies cut the high end of its earnings forecast, saying it expects to earn $1.60 a share at most. Analysts estimated $1.71, on average, according to a Bloomberg survey.
Talecris Biotherapeutics Holdings Corp. (TLCR US) slumped 3.3 percent, the most since June 4, to $23.61. U.S. antitrust regulators will seek to block Grifols SA’s purchase of the biomedical company, The Deal reported.
Vulcan Materials Co. (VMC US) climbed 9.3 percent to $39.29, the third-biggest advance in the S&P 500. The maker of construction aggregates, asphalt mix and concrete “struck an optimistic note in its guidance,” Todd Vencil, an analyst with Davenport & Co. wrote in a note today. The company, which said fourth-quarter prices will be flat year-over-year again and volume will rise, also reported favorable rock pricing, he said.
Watson Pharmaceuticals Inc. (WPI US) rose 5.3 percent, the most since June 2009, to $49.10. The Corona, California-based generic drugmaker said it agreed with Johnson & Johnson’s pharmaceutical unit to sell Concerta, the generic version of a drug that treats attention deficit hyperactivity disorder, next year.
Xueda Education Group (XUE US) soared 32 percent to $12.50 on the first day of trading. The Beijing-based provider of tutoring services for primary and secondary school students in China raised $128 million in its U.S. initial public offering.