Shares of the following companies had unusual moves in U.S. trading today. Stock symbols are in parentheses, and prices are as of 4 p.m. in New York.
AMAG Pharmaceuticals Inc. (AMAG US) fell 18 percent, the most since November 2008, to $15.91. The maker of the anemia drug Feraheme said it plans to cut 24 percent of its workforce and is in talks with the Food and Drug Administration about label changes to the drug, which may include a boxed warning about cardiac risks identified in post-marketing studies.
Chevron Corp. (CVX US) fell the most in the Dow Jones Industrial Average, sinking 2.2 percent to $82.60. The second-largest U.S. energy company posted an unexpected drop in net income, bucking the trend of bigger profits among its peers, after a jump in costs erased gains from higher crude prices and record production.
Coinstar Inc. (CSTR US) surged 24 percent, the most since October 2005, to $57.58. The owner of the Redbox movie-rental kiosks said third-quarter profit excluding some items was 60 cents, beating the 50-cent average of seven analysts’ estimates compiled by Bloomberg as DVD revenue surged. The company also forecast 2011 per-share earnings from continuing operations of $3 to $3.50, topping analyst projections of $2.93.
Constant Contact Inc. (CTCT US) rose 5.7 percent to $23, the highest price since June 17. The provider of web-based e-mail marketing services increased its full-year forecast after third-quarter earnings beat analysts’ estimates.
Deckers Outdoor Corp. (DECK US) gained 7.6 percent to $58.10, the highest price since it went public in October 1993. The maker of Ugg boots and Teva sandals raised its projected increase in 2010 adjusted per-share earnings to 22 percent from an earlier forecast of a 16 percent gain.
Dresser-Rand Group Inc. (DRC US) slipped 7.3 percent, the most since March 2009, to $34.22. The Houston, Texas-based maker of oilfield equipment reported third-quarter profit of 46 cents a share, missing the average analyst estimate by 1 cent.
Estee Lauder Cos. (EL US) rose 11 percent to $71.17 for the second-biggest gain in the Standard & Poor’s 500 Index. The maker of Mac cosmetics and Clinique skin care posted a first-quarter adjusted profit of 97 cents a share, topping the 77-cent average estimate of analysts.
Exact Sciences Corp. (EXAS US) dropped 20 percent, the most since November 2008, to $6.86. The biotechnology company’s data on its non-invasive Cologuard stool-based screening test showed “lower specificity, but higher pre-cancer sensitivity,” and “shareholders wanted more,” Lazard Capital Markets analyst Stephen Unger wrote in a note to clients.
First Mercury Financial Corp. (FMR US) rallied the most in the Russell 2000 Index, rising 43 percent to $16.30. Fairfax Financial Holdings Ltd. (FFH US) agreed to buy the insurance company for $16.50 a share in cash, or about $294 million.
First Solar Inc. (FSLR US) declined 8.9 percent to $137.68 for the second-biggest retreat in the S&P 500. The world’s biggest maker of solar power panels said third-quarter profit was $2.04 a share. Profit was expected to be $1.69 a share, the average of 27 analysts’ estimates compiled by Bloomberg.
Genworth Financial Inc. (GNW US) fell the most in the S&P 500, slumping 9.9 percent to $11.33. The mortgage guarantor and life insurer reported third-quarter operating income excluding some investment results of 6 cents a share, missing the 26-cent average estimate of 15 analysts surveyed by Bloomberg.
Maxim Integrated Products Inc. (MXIM US) climbed 10 percent, the most since March 2008, to $21.66. The maker of computer chips forecast second-quarter profit excluding some items of 39 cents a share at least, topping the 36-cent average estimate from analysts in a Bloomberg survey.
Monster Worldwide Inc. (MWW US) jumped 26 percent to $18.06 for the biggest gain in the S&P 500. The world’s largest online-recruiting company forecast adjusted earnings in the fourth quarter of as much as 8 cents a share, higher than the 5-cent average analyst estimate.
Newpark Resources Inc. (NR US) dropped 29 percent to $5.88 for the biggest retreat in the Russell 2000 Index. The drilling-services company posted third-quarter earnings excluding some items of 8 cents a share, missing the average analyst estimate by 28 percent.
NuVasive Inc. (NUVA US) had the biggest decline since it went public in May 2004, plunging 28 percent to $26.17. The maker of spinal-surgery products lowered its 2010 earnings forecast, citing “very challenging conditions” in its market.
Sunoco Inc. (SUN US) dropped 5.7 percent, the most since Nov. 6, to $37.47. The Philadelphia-based refinery posted third-quarter profit excluding some items of 22 cents a share, missing the average analyst estimate by 43 percent, Bloomberg data showed.
TeleNav Inc. (TNAV US) jumped 28 percent, the most since its May 12 initial public offering, to $6.29. The navigation and search services provider for mobile devices projected second-quarter earnings excluding some items of at least 15 cents a share. That exceeded the 12-cent average estimate in a Bloomberg survey of analysts.
Varian Semiconductor Equipment Associates Inc. (VSEA US) climbed 8.3 percent, the most since March 2009, to $32.72. The maker of chip-production machines predicted at last 84 cents a share in first-quarter earnings, topping the 83-cent average estimate from analysts in a Bloomberg survey.
VeriSign Inc. (VRSN US) advanced 3.9 percent to $34.75, the highest price since July 2008. The biggest operator of computers reported third-quarter earnings after the close of trading yesterday that matched analyst estimates. Sales were $173 million, beating the average estimate of $172.5 million.
Vivus Inc. (VVUS US) climbed 26 percent, the most since September 2009, to $7.75. Regulators didn’t ask for additional trials of the biopharmaceutical company’s obesity treatment Qnexa, indicating the pill may be approved as early as next year.
Volcom Inc. (VLCM US) fell 9 percent, the most since July 30, to $17.17. The skateboard-apparel maker said it expects to earn 92 cents a share at most this year, missing the average estimate of 94 cents from analysts.