Feb. 10 (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.
Activision Blizzard Inc. (ATVI US) declined 8 percent, the most since December 2008, to $10.75. The largest video-game maker forecast first-quarter earnings that missed analysts’ estimates as the company disbands its “Guitar Hero” unit and plans to cut 500 jobs.
Akamai Technologies Inc. (AKAM US) fell the most in the Standard & Poor’s 500 Index, slumping 15 percent to $40.75. The provider of server space that helps websites load faster forecast first-quarter revenue that trailed analysts’ estimates amid slower growth in sales of Internet services.
Allstate Corp. (ALL US) dropped 3.6 percent, the most since Oct. 28, to $31.20. The largest publicly traded U.S. home and auto insurer reported fourth-quarter profit excluding some items of 50 cents a share, missing the average analyst estimate of 86 cents.
Amkor Technology Inc. (AMKR US) fell 11 percent, the most since October 2009, to $7.27. The maker of semiconductor packaging and test services forecast 2011 earnings excluding some items of no more than 14 cents a share, missing the average analyst estimate of 22 cents, according to Bloomberg data.
CBOE Holdings Inc. (CBOE US) rose 5.3 percent, the most since Oct. 12, to $26.87. The options market reported fourth-quarter profit that beat the average analyst estimate as it earned more for each index and equity product traded.
Cisco Systems Inc. (CSCO US) declined 14 percent to $18.92 for the biggest retreat in the Dow Jones Industrial Average. The largest maker of computer networking equipment forecast third-quarter earnings of no more than 38 cents a share, missing the average analyst estimate of 40 cents, Bloomberg data show.
Rivals Juniper Networks Inc. (JNPR US) and JDS Uniphase Corp. (JDSU US) gained. Cisco probably lost market share in routers and switches, its two core networking markets, UBS AG analyst Nikos Theodosopoulos said in a report. Juniper rose 7.6 percent to $43.40. JDS Uniphase advanced 3.4 percent to $25.25.
Diodes Inc. (DIOD US) rose 16 percent, the most since December 2008, to $29.62. The semiconductor maker posted fourth-quarter earnings excluding some items of 55 cents a share, beating the average analyst estimate by 9.3 percent, according to Bloomberg data.
Dish Network Corp. (DISH US) added 5.9 percent, the most since March 1, to $23.49. Credit Suisse Group AG said AT&T Inc. may make a bid to buy the second-largest U.S. satellite-television provider.
EBay Inc. (EBAY US) rose 8 percent to $34.49, the highest price since December 2007. EBay’s PayPal unit will double its revenue to $6 billion to $7 billion by 2013, PayPal President Scott Thompson said today during a meeting with analysts. The payment service is on pace to become EBay’s biggest business in three to five years, EBay Chief Executive Officer John Donahoe said at the event.
Encana Corp. (ECA US) gained 4.2 percent, the most since Sept. 30, to $32.15. PetroChina Co., the country’s biggest energy producer, agreed to buy a 50 percent stake in Encana’s Cutbank Ridge gas assets for C$5.4 billion ($5.4 billion) in its largest overseas acquisition.
EZchip Semiconductor Ltd. (EZCH US) fell 4 percent, the most since Dec. 14, to $30.80. The maker of network processors said fourth-quarter profit slid 73 percent and forecast lower first-quarter revenue.
Goodyear Tire & Rubber Co. (GT US) gained 14 percent, the most in the Standard & Poor’s 500 Index, to $14.30. The largest U.S. tiremaker said that, excluding some items, it earned 7 cents a share in the fourth quarter. Analysts, on average, estimated a loss of 7 cents, according to a Bloomberg survey.
Hanger Orthopedic Group Inc. (HGR US) advanced 19 percent to $27.14, the highest price since 1989. The operator of orthotic and prosthetic patient-care centers forecast 2011 earnings of at least $1.63 a share, beating the average analyst estimate of $1.57 in a Bloomberg survey.
Idenix Pharmaceuticals Inc. (IDIX US) plunged 25 percent, the most since Sept. 7, to $3. U.S. regulators placed a hold on an AIDS drug the company licensed to GlaxoSmithKline Plc (GSK LN).
International Flavors & Fragrances Inc. (IFF US) fell 6.2 percent, the most since December 2008, to $54.80. The maker of scents and tastes for food, beverages and personal care and household products reported fourth-quarter profit excluding some items that fell short of the average analyst estimate in a Bloomberg survey, and said rising commodity prices will affect 2011 results.
IPG Photonics Corp. (IPGP US) jumped 37 percent to $47.62 for the biggest advance in the Russell 2000 Index. The producer of high-power fiber lasers and amplifiers said it earned at least 53 cents a share in the fourth quarter, topping its previous forecast.
Pacer International Inc. (PACR US) slumped 22 percent, the most since Aug. 5, to $5.35. The provider of trucking, freight and transportation logistics services forecast 2011 earnings, excluding some items, of no more than 30 cents a share, missing the average analyst estimate of 39 cents a share.
Select Comfort Corp. (SCSS US) rallied 11 percent to $11.68, the highest price since May 3. The maker of Sleep Number adjustable beds forecast 2011 earnings, excluding some items, of at least 68 cents a share, beating the average analyst estimate of 66 cents, Bloomberg data show.
Sequenom Inc. (SQNM US) rallied 7.2 percent, the most since Nov. 5, to $7.19. The biotechnology company said the American Journal of Obstetrics and Gynecology published a paper on its locked assay study for detection of fetal trisomy 21. The results were better than expected, Barclays Plc said in a note to clients.
Service Corp. International (SCI US) jumped 19 percent to $10.78 for the biggest gain in the Russell 1000 Index. The funeral-home and cemetery owner increased its 2011 earnings forecast after fourth-quarter profit beat analysts’ estimates.
SuccessFactors Inc. (SFSF US) rose 16 percent to $35.02, the highest price since its initial public offering in November 2007. The business software company’s fourth-quarter results showed growth in billings, revenue and cash flow that exceeded investor expectations, Karl Keirstead, an analyst at BMO Capital Markets Corp., said in a report.
Tekelec (TKLC US) dropped the most since 1995, plunging 29 percent to $8.36. The maker of network systems products posted a loss excluding some items of 2 cents a share in the fourth quarter, double the average loss estimate in a Bloomberg survey.
Teradata Corp. (TDC US) climbed 5.8 percent to $47.50, the highest price since 2007. The data-storage software company posted fourth-quarter profit excluding some items of 53 cents a share, beating the average analyst estimate by 5.6 percent, according to Bloomberg data.
TriQuint Semiconductor Inc. (TQNT US) dropped 4.8 percent, the most since Dec. 8, to $13.01. The foundry services provider forecast 2011 earnings of no more than 16 cents a share, on an adjusted basis, missing the average analyst estimate of 20 cents a share, Bloomberg data show.
TrueBlue Inc. (TBI US) slid 9.4 percent, the most since April 2009, to $17.12. The provider of temporary manual labor reported fourth-quarter profit of 9 cents a share, missing the 12-cent average analyst estimate in a Bloomberg survey.
Wal-Mart Stores Inc. (WMT US) had the second-biggest retreat in the Dow Jones Industrial Average, sliding 2 percent to $55.59. The world’s largest retailer was cut to “neutral” from “buy” at UBS AG.
Whole Foods Market Inc. (WFMI US) gained 12 percent to $60.05 for the second-biggest increase in the S&P 500. The largest U.S. natural-goods grocer raised its annual forecasts, buoyed by freer-spending consumers prepared to pay for healthy food.
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