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.
Homebuilders gained as Wells Fargo & Co. said a survey of sales managers showed 63 percent of the respondents reported better-than-expected orders, the highest since the survey began in 2001. PulteGroup Inc. (PHM US) rose 9.1 percent to $8.39, D.R. Horton Inc. (DHI US) advanced 4.8 percent to $14.73, Toll Brothers Inc. (TOL US) gained 4 percent to $22.68 and Lennar Corp. (LEN US) added 5.1 percent to $25.75.
Alcoa Inc. (AA US) rose 6.2 percent to $9.90 for the biggest advance in the Dow Jones Industrial Average. The largest U.S. aluminum producer reported an unexpected first-quarter profit after customers from automakers to beverage-can manufacturers ordered more of the metal.
Computer Sciences Corp. (CSC US) sank 2.8 percent to $27.39, the lowest price since Feb. 7. The technology contractor for governments and companies said earnings excluding certain costs in the quarter ended March 30 were 19 cents to 21 cents a share. Analysts predicted 97 cents, the average of estimates compiled by Bloomberg.
Deluxe Corp. (DLX US) gained 2.9 percent, the most since Feb. 16, to $22.13. The provider of personalized checks and fraud-prevention services was raised to buy from neutral at DA Davidson.
F5 Networks Inc. (FFIV US) slipped 4.4 percent, the most since Dec. 21, to $122.65. The software maker’s sales force had “an unusually strong push” toward the end of the quarter, William Blair & Co. said in a note.
Genworth Financial Inc. (GNW US) gained 3.2 percent, the most since March 15, to $7.54. The life insurer and mortgage guarantor was rated buy in new coverage by BTIG LLC, which said the stock is trading at “too steep a discount” to the company’s inherent value due to concern over its mortgage unit.
Kior Inc. (KIOR US) rose 12 percent to $12.11 for the biggest gain since March 22. The Texas producer of gasoline and diesel from wood should complete the construction of its first commercial plant, in Columbus, Mississippi, near the end of the second quarter, with production in the second half being “a bigger trigger” for the stock, Cowen & Co. said in a note.
Liz Claiborne Inc. (LIZ US) rose 5 percent, the most since March 30, to $12.98. The clothing retailer could still be a bargain in a takeover as the owner of the Kate Spade brand is forecast by analysts to return to profitability in 2012. The stock closed yesterday at $12.36 a share, a 28 percent discount to 2013 sales. That’s cheaper than 94 percent of similar-sized U.S. apparel companies, data compiled by Bloomberg show.
Mattress Firm Holding Co. (MFRM US) jumped 18 percent to $44, the highest price since it went public in November. The mattress retailer forecast earnings for the current fiscal year will be at least $1.40 a share, beating the average analyst estimate of $1.37.
Nokia Oyj (NOK US) slid 16 percent, the most since April 2004, to $4.24. The mobile phone maker, which is a year into an alliance with Microsoft Corp. (MSFT US) to try to win back market share lost to Apple Inc. (AAPL US), cut its profit forecast for its handset division.
Opnet Technologies Inc. (OPNT US) tumbled 13 percent to $23.05, the lowest price since November 2010. The management software maker said fourth-quarter sales were $44.6 million at most, missing its earlier projection for at least $45 million.
Owens-Illinois Inc. (OI US) rose 6.9 percent, the most since Nov. 30, to $23.52. The world’s biggest maker of glass bottles said first-quarter earnings will rise more than 35 percent from a year earlier on good manufacturing performance and greater-than-planned production rates.
Silicon Laboratories Inc. (SLAB US) rose 4.9 percent, the most since Jan. 18, to $42.57. The designer of integrated circuits for mobile phones was raised to buy from hold at Wunderlich Securities Inc.
Standard Microsystems Corp. (SMSC US) gained 8.7 percent, the most since Oct. 4, to $26.34. The semiconductor manufacturer forecast first-quarter earnings excluding certain items will be at least 29 cents a share, topping the 27 cents projected by analysts on average.
Titan Machinery Inc. (TITN US) surged 17 percent, the most since March 2009, to $32.05. The owner of full-service agricultural and equipment stores forecast annual earnings of at least $2.55 a share, beating the average analyst estimate of $2.06.
Travelzoo Inc. (TZOO US) climbed 28 percent, the most since April 2006, to $27.06. The Internet travel marketer plans to sell itself and is in the process of hiring an adviser, Reuters reported, citing three people familiar with the situation.