Shares of the following companies are having unusual moves in U.S. trading. Stock symbols are in parentheses and prices are as of 11:05 a.m. in New York.
Archer Daniels Midland Co. (ADM US) slid the most in the Standard & Poor’s 500 Index, falling 7.3 percent to $30.97. 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 46 percent to $5.97 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 $4.23. The Elmsford, New York-based pharmacy-benefits manager withdrew its 2010 earnings forecast.
Bridgepoint Education Inc. (BPI US) rose 9.2 percent to $15.22 after jumping as much as 17 percent, the most intraday since May 2009. The for-profit education company that first sold shares last year said third-quarter profit surged as new student enrollments gained.
Cabela’s Inc. (CAB US) climbed 17 percent to $21.43 after rallying 18 percent earlier, the most intraday since July 2009. 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.
Clorox Co. (CLX US) dropped 4 percent to $63.69 after retreating 5.6 percent earlier, the most intraday since April 2009. 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 $29.55 after jumping to $29.66 earlier, the highest intraday 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 5.9 percent to $4.84 and decreased 8.4 percent earlier, the most intraday since Oct. 14. 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 6.2 percent to $33.49 after surging to $35.04 earlier, the highest intraday 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 15 percent to $10.92 and advanced to $11.14 earlier, the highest intraday price since November 2009. 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.
Emerson Electric Co. (EMR US) fell 2.8 percent to $54.42 and dropped 4 percent earlier, the most intraday since Aug. 24. The maker of valves and InSinkErator-brand garbage disposals said 2011 revenue will be $23.6 billion to $24.2 billion, which may beat the average estimate of $23.7 billion. The company boosted its quarterly dividend to 34.5 cents a share from 33.5 cents.
Emergency Medical Services (EMS US) slid 5.6 percent to $51.96 and declined as much as 6.2 percent, the most intraday since July 22. The biggest U.S. operator of ambulance services narrowed its earnings forecast for the current fiscal year to a range of $3.20 to $3.26 a share on an adjusted basis, less than the average estimate of $3.27 a share.
Energizer Holdings Inc. (ENR US) dropped 12 percent to $64.60 after slumping 16 percent earlier, the most intraday since April 2008. 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 15 percent to $38.56. 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 13 percent to $6.23 after jumping to $6.30 earlier, the highest intraday price May 3. 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.
MasterCard Inc. (MA US) rose 3 percent to $246.03 after adding 3.9 percent earlier, the most intraday since Oct. 13. 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 6.7 percent to $55.90. The pharmacy benefits manager boosted its full-year forecast after third-quarter earnings exceeded analysts’ estimates.
MEMC Electronic Materials Inc. (WFR US) slipped 5.1 percent to $12.03 for the second-biggest loss in the S&P 500. 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 15 percent to $1.71 and plunged to $1.55 earlier, the lowest intraday 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 7.3 percent to $83.89 after dropping as much as 15 percent, the most intraday since April 30. 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 25 percent to $5.67 after sinking to $5.66 earlier, the lowest intraday price since May 6. 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 9.4 percent to $20.56 and rallied 22 percent earlier, the most intraday since May 4. 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 9.2 percent to $8.14 and rallied 11 percent earlier, the most intraday since July 7. 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 to $31.50 after sinking 9.4 percent earlier, the most intraday since May 6. 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 7.9 percent to $11.96 after losing 9.1 percent earlier, the most intraday since July 27. 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 20 percent to $4.72 after rising 25 percent earlier, the most intraday 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 6.9 percent to $19.66 after tumbling 11 percent earlier, the most intraday since Feb. 4. 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.
Boeing Co. (BA US), which Spirit Aerosystems counts among its largest customers, fell the most in the Dow Jones Industrial Average, losing 1.8 percent to $69.21.
Tenet Healthcare Corp. (THC US) fell 3 percent to $4.17 after dropping 7.9 percent earlier, the most intraday since June 8. The hospital operator forecast 2010 profit excluding some items of 28 cents a share at most, trailing the 32-cent average estimate from analysts in a Bloomberg survey.
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