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.
Fertilizer producers gained as Lazard Capital Markets initiated coverage of the industry with a bullish view, citing potentially higher prices in nitrogen and a possible rebound in potash. CF Industries Holdings Inc. (CF US) 2.4 percent to $151.68. Mosaic Co. (MOS US) added 4.1 percent, the second-most in the S&P 500 Index, to $52.86. Potash Corp. of Saskatchewan Inc. (POT US) advanced 1.2 percent to $43.30.
Central European Distribution Corp. (CEDC US) dropped 19 percent, the second-most in the Russell 2000 Index, to $3.08. The vodka producer that owns Zubrowka and Parliament brands was cut to “underperform” from “neutral” at Credit Suisse Group AG.
Dolby Laboratories Inc. (DLB US) advanced 11 percent, the most since February 2009, to $30.70. The maker of audio systems said fiscal year 2012 profit excluding some items will be as much as $3.02 a share, above the average analyst estimate in a Bloomberg survey of $2.97 a share.
Exco Resources Inc. (XCO US) fell 5.4 percent to $10.81, the lowest price since Oct. 17. The natural gas producer announced it will cut capital expenditures in 2012 to $710 million, from about $1 billion this year. The Dallas-based company was cut to “hold” from “buy” at Stifel Nicolaus & Co.
H.J. Heinz Co. (HNZ US) fell 3.3 percent, the most since Sept. 9, to $51.07. The world’s biggest ketchup maker affirmed its forecast current fiscal year earnings of no more than $3.32 a share. Analysts are on average estimating $3.34 a share, according to a Bloomberg survey.
Hewlett-Packard Co. (HPQ US) rose the most in the Dow Jones Industrial Average, gaining 2.6 percent to $27.99. The largest computer maker appointed activist shareholder Ralph Whitworth of Relational Investors LLC to its board after he accumulated an almost 1 percent stake.
Marvell Technology Group Ltd. (MRVL US) advanced 6.5 percent, the most since May 27, to $14.65. The maker of the processor that runs BlackBerry smartphones reported third-quarter earnings excluding some items of 40 cents a share, above the average analyst forecast of 39 cents a share, according to a Bloomberg survey.
MTS Systems Corp. (MTSC US) climbed 11 percent, the moist since November 2008, to $39.42. The maker of computer-based manufacturing test systems reported fiscal fourth-quarter profit and sales that exceeded analysts’ estimates.
Salesforce.com Inc. (CRM US) fell the most in the S&P 500, sinking 10 percent to $113.43. The largest maker of online customer-management software reported third-quarter billings -- an indicator of growth -- that missed some analysts’ estimates. The company also forecast fourth-quarter profit that missed some projections.