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.
Acme Packet Inc. (APKT US) gained 20 percent to $67.35 for the biggest increase in the Russell 2000 Index. The maker of devices to transmit phone calls and video said fourth-quarter earnings and revenue exceeded analyst estimates, according to data compiled by Bloomberg.
Broadsoft Inc. (BSFT US), a maker of telecommunications software, rose 16 percent to $32.68.
Alliance Data Systems Corp. (ADS US) climbed 4.6 percent to $75.57, the highest price since May 13. The credit-card processor posted fourth-quarter earnings that exceeded estimates by 10 percent, Bloomberg data show.
Axcelis Technologies Inc. (ACLS US) slumped the most in the Russell 2000 Index, dropping 23 percent to $2.74. The maker of plasma cleaning systems for semiconductor companies was cut to “underperform” from “sector perform” by Pacific Crest Securities Inc
Broadcom Corp. (BRCM US) dropped 5.6 percent, the most since Aug. 31, to $43.80. The biggest maker of chips for television set-top boxes reported fourth-quarter margins that missed analysts’ estimates as expenses rose, led by sales and administration costs.
Chelsea Therapeutics International Ltd. (CHTP US) fell 18 percent, the most since November 2009, to $5.04. The biotechnology company said it would modify a study of its hypotension drug Northera after finding a greater-than-expected benefit in participants in the control group taking placebo, making it hard to determine the drug’s effect.
Crown Holdings Inc. (CCK US) rose 5.8 percent to $35.64, the highest price since May 1999. The maker of food and beverage cans reported fourth-quarter profit excluding some items of 42 cents a shares, compared with an average analyst estimate of 38 cents in a Bloomberg survey.
Electronic Arts Inc. (ERTS US) had the biggest gain in the Standard & Poor’s 500 Index, jumping 16 percent to $18.09. The second-largest U.S. video-game maker reported profit that topped analysts’ estimates on sales of titles including “Medal of Honor” and “Need for Speed.”
First Solar Inc. (FSLR US) climbed 5.3 percent to $164.40, the highest price since July 2009. The world’s biggest maker of thin-film solar modules was Goldman Sachs Group Inc.’s top pick in the clean energy sector.
SunPower Corp. (SPWRA US) rose 9.2 percent to $15.12.
Genworth Financial Inc. (GNW US) dropped the most in the S&P 500, falling 8.5 percent to $12.76. The mortgage guarantor and life insurer swung to a fourth-quarter loss on $350 million in costs tied to backing home loans.
Hawaiian Holdings Inc. (HA US) declined 8.4 percent, the most since June 16, to $6.99. The parent company of Hawaiian Airlines was reduced to “hold” from “buy” at Stifel Nicolaus.
Hospira Inc. (HSP US) fell 7.3 percent to $51.05 for the second-biggest retreat in the S&P 500. The maker of injectable pharmaceuticals and infusion devices forecast 2011 earnings excluding some items of $4 a share at most, trailing the average analyst estimate of $4.33 in a Bloomberg survey.
Intevac Inc. (IVAC US) dropped 9 percent, the most since July 2, to $12.64. The maker of manufacturing equipment for electronics reported sales of $36.2 million in the quarter ended Dec. 31, trailing the average analyst estimate by 2.3 percent, according to Bloomberg data.
Jones Lang LaSalle Inc. (JLL US) rose 5.1 percent to $97.40, the highest price since October 2007. The Chicago-based commercial real-estate broker reported fourth-quarter sales and profit that topped the average analyst estimates in a Bloomberg survey. CB Richard Ellis Group Inc. (CBG US), the world’s largest commercial real-estate broker, rose 4.9 percent to $24.04.
MEMC Electronic Materials Inc. (WFR US) rallied 15 percent, the most since November 2008, to $13.42. The maker of wafers for the semiconductor and solar industries forecast 2011 earnings may be as high as $1.30 a share, compared with the average analyst estimate of $1.01.
Mueller Water Products Inc. (MWA US) tumbled 17 percent, the most since March 2009, to $3.67. The maker of pipes and valves for water distribution and treatment centers reported a first-quarter loss that’s wider than analysts estimated. Brean Murray Carret & Co. cut the stock’s rating to “hold” from “buy.”
Nalco Holding Co. (NLC US) slid 12 percent, the most since December 2008, to $27.09. The environmental services provider’s 2011 earnings forecast of $1.65 a share missed the average analyst estimate, according to JPMorgan Chase & Co., which expected $1.70.
NaviSite Inc. (NAVI US) soared 32 percent to $5.46, the highest price since December 2007. Time Warner Cable Inc. (TWC US) agreed to buy the Internet company for $230 million, or $5.50 a share, to expand into services that will let businesses store data online.
Sirius XM Radio Inc. (SIRI US) rose 5.6 percent to $1.72 for the biggest gain since Dec. 22. Morgan Stanley upgraded the satellite radio broadcaster to “overweight” citing acceleration in free cash flow and the potential for return of capital by 2013.
Time Warner Inc. (TWX US) gained 8.6 percent, the most since March 2009, to $35.10. The owner of the Warner Bros. film studio reported fourth-quarter profit, excluding some items, of 67 cents a share, beating the 62 cent average of estimates compiled by Bloomberg. Time Warner increased its dividend 11 percent and boosted its share-buyback program by $4 billion.
Unisys Corp. (UIS US) climbed 19 percent to $34.96, the highest price since April 26. The Pennsylvania producer of mainframes and computer services reported fourth-quarter sales of $1.04 billion, beating the average analyst estimate of $992 million in a Bloomberg survey.