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.
Aeroflex Holding Corp. (ARX) erased 10 percent, the most since Aug. 18, to $11.60. The designer of radio frequency and microwave integrated circuits forecast adjusted earnings in 2012 to be no more than 79 cents a share, less than the average analyst estimate by 5 cents.
Akamai Technologies Inc. (AKAM) rose 11 percent, the biggest gain in the Standard & Poor’s 500 Index, to $38.06. The operator of a server network that lets businesses speed data delivery reported quarterly sales and profit that topped analyst estimates, boosted by holiday online shopping.
Array BioPharma Inc. (ARRY) dropped 19 percent, the most since September 2009, to $2.60. The Boulder, Colorado-based drug research company is offering 20 million shares at $2.60 each. Additional stock tends to dilute future earnings for existing shareholders.
Cheniere Energy Inc. (LNG) advanced 15 percent to $14.27, the highest price since April 2008. The liquefied natural-gas importer’s competitor, BG Group Plc. (BG/ LN), forecast “strong” demand for the fuel. BG announced a contract in October to buy 3.5 million metric tons a year from an export terminal Cheniere is seeking to develop at Sabine Pass in Louisiana.
Compass Minerals International Inc. (CMP) fell 3.8 percent, the most since Oct. 31, to $73.45. The maker of highway de-icing salt and fertilizer was lowered to “underweight” from “neutral” at JPMorgan Chase & Co. with a 12-month price estimate of $66.
Cumberland Pharmaceuticals Inc. (CPIX) rallied 11 percent to $7.50, the highest price since December 2010. The Nashville, Tennessee-based drugmaker said U.S. regulators approved a patent for its best-selling drug.
Diamond Foods Inc. (DMND) plunged 37 percent to $23.13 for the biggest retreat in the Russell 2000 Index. The snack maker said it will restate earnings for the past two years and replace its chief executive officer and chief financial officer after an internal probe found the company booked payments to walnut growers in the wrong periods.
Groupon Inc. (GRPN) declined 14 percent, the most since Nov. 23, to $21.17. The largest daily-deal site had an unexpected fourth-quarter loss after an expansion into lower-margin businesses sapped profitability during its first period as a publicly traded company.
Hanover Insurance Group Inc. (THG) jumped 6.1 percent to $40.07, the highest price since June 2. The provider of coverage to businesses and individuals reported fourth-quarter profit that beat analysts’ estimates.
Heartland Payment Systems Inc. (HPY) advanced 9.7 percent to $27.11, the highest price since September 2008. The bank card payment-processing company boosted its dividend to 6 cents a share from 4 cents as fourth-quarter earnings beat analysts’ estimates.
Imperial Sugar Co. (IPSU US) rose the most in the Russell 2000 Index, surging 79 percent to $6.02. The Sugar Land, Texas-based company reported a loss of 29 cents a share in the first quarter, narrower than the 76 cents estimated by Janney Montgomery Scott LLC.
INTL FCStone Inc. (INTL) fell 15 percent, the most since April 2009, to $22.54. The commodity researcher and brokerage reported a loss of 2 cents a share in the fiscal first quarter, compared with a profit a year earlier.
IRobot Corp. (IRBT) sank 34 percent, the most since its initial public offering in November 2005, to $25.17. The maker of robots that vacuum and wash floors forecast earnings in 2012 of no more than 95 cents a share, missing the average analyst estimate of $1.39.
Lorillard Inc. (LO) climbed 9.7 percent to $124.37, the highest price since the company went public in June 2008. The cigarette maker increased its quarterly dividend to $1.55 per share from $1.30, and reported fourth-quarter earnings excluding some items of $2.20 a share, beating the average analyst estimate by 24 cents.
Philip Morris International Inc. (PM) rose 2.8 percent to $80.06, the highest price since March 2008. The New York-based tobacco company forecast profit this year that was higher than analysts estimated.
Roadrunner Transportation Systems Inc. (RRTS) rallied 10 percent to $17.42, the highest price since it went public in May 2010. The trucking company forecast second-quarter profit excluding some items of at least 22 cents a share, beating the average analyst estimate of 21 cents in a Bloomberg survey.
Support.com Inc. (SPRT) jumped 24 percent to $3.15 for the second-biggest advance in the Russell 2000. The provider of eBusiness infrastructure software reported a fourth-quarter loss of 6 cents a share, excluding some items, narrower than the Northland Securities Inc.’s estimate of a loss of 9 cents.
Taleo Corp. (TLEO US) surged 17 percent to $45.64, the highest price since its initial public offering in 2005. Oracle Corp. (ORCL) , the second-largest software maker, agreed to buy the maker of employee recruiting and screening software for $46 a share, an 18 percent premium to the Dublin, California-based company’s closing price before the deal was announced.
Teradata Corp. (TDC) rose 10 percent to $63.94, the second-biggest advance on the S&P 500. The data-storage software company reported fourth-quarter earnings that beat the average analyst estimate by 6.3 percent, according to data compiled by Bloomberg.
Thoratec Corp. (THOR) rallied 12 percent, the most since April 2010, to $34.52. The maker of implantable heart devices reported fourth-quarter profit that exceeded analysts’ estimates. Piper Jaffray Cos. raised the stock’s rating to “overweight” from “neutral.”
TripAdvisor Inc. (TRIP) declined 15 percent, the most in the S&P 500, to $29.34. The online travel-recommendation service spun off from Expedia Inc. in December reported fourth quarter profit excluding some items that missed the average analyst estimate by 21 percent, data compiled by Bloomberg show.
TriQuint Semiconductor Inc. (TQNT) fell 4.4 percent to $6.54 for its biggest decline since Jan. 23. The chipmaker forecast first-quarter earnings excluding some items of 1 cent to 3 cents a share, compared with the average analyst estimate of 3 cents, data compiled by Bloomberg show.
Visa Inc. (V) rose 3.7 percent to $112.42, the highest price since its March 2008 IPO. The world’s biggest payments network said fiscal first-quarter profit climbed 16 percent, exceeding analyst projections, as consumers increased use of credit and debit cards.
United Technologies Corp. (UTX) had the biggest gain in the Dow Jones Industrial Average, adding 2.5 percent to $83.78. The maker of Pratt & Whitney jet engines is studying the sale of a pump-and compressor-making division to raise cash for the planned purchase of aerospace supplier Goodrich Corp., people with knowledge of the matter said.
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