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.
Almost Family Inc. (AFAM US) rallied 17 percent, the most since March 2006, to $24.12. The home-nursing company posted quarterly earnings and sales that exceeded analyst projections, according to data compiled by Bloomberg.
Atrion Corp. (ATRI US) slid 16 percent, the most since February 2008, to $209.75. The maker of medical products and components’ per-share earnings may fall 10 percent this year, with declines of about 20 percent in the first two quarters, Chief Executive Officer David Battat said in a statement.
Brightpoint Inc. (CELL US) dropped 11 percent to $8.88, the lowest price since Nov. 25. The wholesaler of mobile phones reduced its forecast for 2012 earnings excluding certain items to no more than $1.13 a share from as much as $1.17.
Chico’s FAS Inc. (CHS US) gained 17 percent, the most since December 2008, to $14.94. The women’s clothing retailer reported fourth-quarter earnings of 15 cents a share, beating the average analyst estimate of 11 cents.
Clean Harbors Inc. (CLH US) rose 5.9 percent to $69.44, the highest price since it went public in 1987. The provider of waste management services reported fourth-quarter earnings of 63 cents a share, excluding certain items, beating the average analyst estimate of 48 cents a share.
Community Health Systems Inc. (CYH US) rallied 15 percent, the most since April 12, to $23.85. The hospital operator reported earnings that beat analysts’ estimates for the 12th consecutive quarter, according to data compiled by Bloomberg.
DealerTrack Holdings Inc. (TRAK US) declined 9.5 percent, the most since Aug. 8, to $28.24. The maker of software for car dealerships forecast revenue in 2012 of no more than $372 million, falling short of the average analyst estimate of $380 million.
Dell Inc. (DELL US) fell 5.8 percent, the most since Aug. 17, to $17.15. The third-largest maker of personal computers forecast fiscal first quarter revenue that missed analysts’ estimates as lackluster demand for PCs and competition from Apple Inc. eroded growth.
Forest Oil Corp. (FST US) had the second-biggest loss in the Russell 1000 Index, sliding 12 percent to $12.78. The Denver-based oil and gas company reported fourth-quarter adjusted earnings that fell short of the average analyst projection by 35 percent, according to data compiled by Bloomberg.
FuelCell Energy Inc. (FCEL US) jumped 16 percent to $1.71, the highest price since June 6. The maker of fuel-cell power plants said it plans to form a German-based joint venture with Fraunhofer IKTS to expand in the European market.
Gannett Co. (GCI US) had the third-biggest gain in the Standard & Poor’s 500 Index, advancing 4.2 percent to $15.61. The owner of newspapers including USA Today boosted its dividend and said it will be able to return more than $1 billion to shareholders by 2015.
Garmin Ltd. (GRMN US) rallied 9.3 percent to $48.86, the highest price since June 2008. The maker of mobile navigation systems forecast 2012 sales and profit that topped analysts’ expectations.
Hackett Group Inc. (HCKT US) had the third-biggest gain in the Russell 2000 Index, surging 22 percent to $4.74. The provider of provides business consulting services said it’s offering to buy back $55 million of shares, or 27 percent of its outstanding stock.
HealthStream Inc. (HSTM US) had the biggest rally in the Russell 2000 Index, advancing 30 percent to $22.55. The Nashville, Tennessee-based health-care education company forecast revenue would rise 21 percent to 25 percent this year. Sales increased 25 percent in 2011, data compiled by Bloomberg show.
Intuit Inc. (INTU US) rose 5.9 percent to $60.92 for the second-biggest increase in the S&P 500. The seller of TurboTax software for filing with the Internal Revenue Service boosted its full-year earnings forecast.
Lumber Liquidators Holdings Inc. (LL US) dropped 11 percent, the most since July 7, to $19.17. The seller of hardwood flooring forecast sales of no more than $740 million this year, less than the average analyst estimate of $755.9 million.
Mosaic Co. (MOS US) rose 3.3 percent to $58.80, the highest price since Nov. 8. The largest U.S. producer of potash said it reached an agreement with environmental groups that were challenging the company’s federal wetlands permit at the South Fort Meade mine in Florida.
Nabors Industries Ltd. (NBR US) climbed 7 percent to $21.78, the highest price since Aug. 4. The world’s largest land-drilling contractor reported fourth-quarter sales and earnings that exceeded analysts’ estimates.
Netflix Inc. (NFLX US) declined 4.3 percent to $112.40, the lowest price since Jan. 25. The online and mail-order video-rental service fell as the Wall Street Journal said DirecTV may enter the video streaming business.
Newfield Exploration Co. (NFX US) slumped 13 percent, the most in the S&P 500, to $36.88. The petroleum producer reported fourth-quarter earnings of 95 cents per share, excluding some items, missing the average analyst estimate of $1.02.
Range Resources Corp. (RRC US) rose 2.9 percent to $66.10, the highest price since Dec. 9. The oil and gas company reported fourth-quarter sales that beat the average analyst estimate by 8.8 percent, according to data compiled Bloomberg.
Sourcefire Inc. (FIRE US) rallied 26 percent, the most since its initial public offering in March 2007, to $45.18. The network-security company forecast first-quarter revenue greater than analysts’ estimates on increased demand for protection against cybercrime.