April 28 (Bloomberg) -- 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.
Insurers rose after Allstate Corp. (ALL US), Aflac Inc. (AFL US) and Lincoln National Corp. (LNC US) posted better-than-estimated first-quarter earnings.
Allstate, the largest publicly traded U.S. home and auto insurer, gained 5.7 percent to $33.76. Aflac rose 5 percent to $57. Lincoln National added 4.2 percent to $31.64.
Aetna Inc. (AET US) rose 4.1 percent to $41.45 and climbed to $42.89 earlier, the highest intraday price since September 2008. The Hartford, Connecticut-based health insurer reported first-quarter profit of $1.43 a share, topping the 98-cent average estimate by analysts, Bloomberg data show.
Akamai Technologies Inc. (AKAM US) dropped 15 percent, the most in the Standard & Poor’s 500 Index, to $34.94. The operator of a server network that helps websites load faster said second-quarter profit will be no more than 37 cents a share, missing the average analyst estimate of 38 cents a share in a Bloomberg survey.
Arris Group Inc. (ARRS US) fell 9.9 percent to $11.70 for the biggest decline since July 29. The maker of Internet equipment forecast second-quarter earnings excluding some items of as little as 16 cents a share, below the 20-cent average estimate among analysts surveyed by Bloomberg.
Axcelis Technologies Inc. (ACLS US) had the second-biggest decline in the Russell 2000 Index, dropping 28 percent to $1.79. The maker of plasma cleaning systems for semiconductor companies reported first-quarter profit of 2 cents a share, missing the average analyst estimate by 20 percent.
Boeing Co. (BA US) rose the most in the Dow Jones Industrial Average, climbing 3.2 percent to $78.55. The Chicago-based maker of commercial aircraft had its share-price estimate increased to $90 from $84 at Citigroup Inc., which said the stock’s valuation “appears compelling” given the growth potential over the next several years.
Cabela’s Inc. (CAB US) dropped 8.8 percent, the most since February 2010, to $26.37. The maker of hunting, fishing and camping gear reported first-quarter earnings of 25 cents a share, beating the average analyst estimate by 2 percent, according to Bloomberg data.
Citrix Systems Inc. (CTXS US) rose 9.7 percent, the most in the S&P 500, to $85.37. The software maker increased its full-year forecast after first-quarter earnings beat analysts’ estimates.
Constellation Energy Group Inc. (CEG US) gained 5.7 percent, the most since March 2009, to $36.26. Exelon Corp. (EXC US), the largest operator of U.S. nuclear power plants, agreed to buy the electricity producer for about $7.7 billion, adding stakes in five reactors in Maryland and New York.
CytRx Corp. (CYTR US) rose 11 percent, the most since July 22, to 93 cents. The biopharmaceutical company said its pancreatic cancer drug has received orphan drug status from U.S. regulators, giving the treatment market exclusivity.
Eastman Kodak Co. (EK US) sank 10 percent to $2.85, the lowest price since July 2009. The photography company reported a first-quarter loss of 92 cents a share. That compares with the average analyst estimate of a 61-cent loss.
Evergreen Solar Inc. (ESLR US) lost 32 percent, the most in the Russell 2000, to $1.42. The maker of thin polysilicon wafers said it may need to raise cash to continue operations after first-quarter sales fell short of expectations.
Fortinet Inc. (FTNT US) gained 14 percent to $47.77, the highest intraday price since its initial public offering in November 2009. The maker of network-security systems reported first-quarter sales of $93.3 million, exceeding average analyst estimate of $86.9 million.
Gen-Probe Inc. (GPRO US) jumped 13 percent to $79.61, the highest price since at least September 2002. The maker of tests for AIDS and the West Nile virus hired Morgan Stanley to seek a buyer for the company, according to three people with knowledge of the sale.
Harte-Hanks Inc. (HHS US) plunged 21 percent, the most since 1993, to $9.44. The publisher of the PennySaver advertising circular reported first-quarter revenue of $200.3 million, missing the average analyst estimate by 2.5 percent, according to Bloomberg data.
Helmerich & Payne Inc. (HP US) dropped 7 percent, the most since June 2009, to $65.05. The Tulsa, Oklahoma-based oil-and-gas drilling company posted second-quarter profit of 91 cents a share, missing the average analyst estimate by 7.1 percent, according to Bloomberg data.
LSI Corp. (LSI US) gained 7.4 percent to $7.41, the highest price since August 2008. The maker of chips used in computer disk drives forecast second-quarter earnings of as much as 13 cents a share, above the average analyst estimate of 11 cents a share in a Bloomberg survey.
LoopNet Inc. (LOOP US) surged 28 percent, the second-biggest gain in the Russell 2000, to $18.40. The online commercial real-estate service agreed to be bought by CoStar Group Inc. (CSGP US) for about $18.77 a share in cash and stock. CoStar said the offer values LoopNet at about $860 million.
Motorola Solutions Inc. (MSI US) rose 7.5 percent to $46.66, the highest price since February 2008. The maker of bar-code scanners, walkie-talkies and other emergency-communication equipment reported first-quarter profit excluding some items of 54 cents a share, beating the average analyst estimate by 68 percent, according to Bloomberg data.
Norfolk Southern Corp. (NSC US) jumped 8 percent to $73.87, the highest price since at least 1980. The fourth-biggest U.S. railroad posted a quarterly profit that beat analysts’ estimates as the economic recovery boosted shipping volumes.
Novellus Systems Inc. (NVLS US) fell 8 percent, the most since November 2008, to $31.92. The semiconductor equipment maker forecast second-quarter earnings of 80 cents a share at most, trailing the average analyst estimate of $1 in a Bloomberg survey.
OfficeMax Inc. (OMX US) slid 20 percent, the most since October 2008, to $10. The U.S. office-supplies retailer reported first-quarter adjusted earnings of 13 cents a share, missing the 26-cent average estimate by analysts.
Skechers U.S.A. Inc. (SKX US) declined 7.5 percent, the most since Dec. 21, to $19.02. The maker of Shape-ups toning shoes reported first-quarter profit of 24 cents a share, missing the average analyst estimate by 20 percent, according to Bloomberg data.
Sprint Nextel Corp. (S US) rose 6.7 percent, the most since July 26, to $5.11. The third-largest U.S. mobile-phone carrier reported a first-quarter loss of 15 cents a share, beating the average analyst estimate of 22 cents, after contract-subscriber defections slowed and prepaid-customer rolls increased.
Teradyne Inc. (TER US) fell 12 percent, the most since December 2008, to $16.03. The maker of testing equipment for electronics forecast second-quarter earnings excluding some items of 44 cents a share at most, missing the 45-cent estimate from analysts in a Bloomberg survey.
Valassis Communications Inc. (VCI US) advanced 16 percent, the most since February 2010, to $30.09. The distributor of advertisements through newspaper inserts and mailings posted first-quarter earnings excluding some items of 57 cents a share, beating the average analyst estimate by 8.3 percent, Bloomberg data show.
Vital Images Inc. (VTAL US) surged 31 percent, the most in the Russell 2000 Index, to $18.64. The maker of medical-imaging software agreed to be acquired by Toshiba Medical Systems Corp. for $273 million, or $18.75 a share.
Whole Foods Market Inc. (WFMI US) declined 4.1 percent, the most since Aug. 4, to $62.44. Orders from the largest U.S. natural-goods grocer to suppliers slowed in the last three to four weeks, partly hurt by rising fuel costs, OTR Global LLC said, citing supply chain checks.
Xilinx Inc. (XLNX US) climbed 6.4 percent, the most since March 2009, to $34.95. The semiconductor maker forecast first-quarter sales of as much as $611.4 million, compared with the average analyst estimate of $588.4 million in a Bloomberg survey.
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