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.
Aeropostale Inc. (ARO US) lost 14 percent to $10.70, the lowest price since December 2008. The teen-clothing retailer said its forecast for third-quarter profit is no more than 15 cents a share, trailing the average analyst estimate of 29 cents.
Ann Inc. (ANN US) rose 12 percent, the most since March 11, to $21.67. The women’s clothing retailer forecast sales in 2012 to be as much as $2.23 billion, topping an earlier projection of $2.2 billion and higher than the average analyst estimate of $2.21 billion.
Clearwire Corp. (CLWR US) surged 30 percent to $3.01 for the biggest increase in the Russell 1000 Index. Sprint Nextel Corp. (S US) is talking with cable companies about a possible investment that may lead to an acquisition of the money-losing wireless broadband provider partner, according to three people familiar with the talks.
Gap Inc. (GPS US) gained 1.1 percent to $15.69. The largest U.S. apparel chain reported second-quarter earnings of 35 cents a share, beating the average analyst estimate of 34 cents a share.
Hewlett-Packard Co. (HPQ US) dropped the most in the Standard & Poor’s 500 Index, plunging 20 percent to $23.60. The world’s largest computer maker forecast full-year earnings that missed analysts’ estimates because of lackluster consumer spending. The company also confirmed that it’s considering a spinoff for its PC business and that it agreed to buy software maker Autonomy Corp. (AUTNF US) for $10.3 billion.
Autonomy rallied 8.1 percent to $40.01.
Dell Inc. (DELL US), the second-largest personal-computer maker, gained 1.7 percent to $14. Needham & Co. raised the stock’s rating to “buy” from “hold.”
Intuit Inc. (INTU US) advanced 8.3 percent, the most since August 2010, to $43.65. The seller of TurboTax software for filing with the Internal Revenue Service said its fourth-quarter earnings excluding some items were 2 cents a share, beating the average estimate that it would break even. The board approved a quarterly cash payout, its first ever, of 15 cents a share, the Mountain View, California-based company said in a statement.
J.C. Penney Co. (JCP US) rose 2.4 percent to $24.38. The retailer said in a Securities and Exchange Commission filing that it allowed Bill Ackman of Pershing Square Capital Management LP to join its board and also blocked him from buying more than 26.1 percent of the company.
Marvell Technology Group Ltd. (MRVL US) increased 5.9 percent, the most since May 27, to $12.68. The maker of the processor that runs BlackBerry smartphones said its second-quarter earnings excluding some items were 38 cents a share, beating the average analyst estimate of 37 cents a share.
Mentor Graphics Corp. (MENT US) increased 12 percent, the most since August 2009, to $9.89. The software maker said its second-quarter earnings excluding some items were 11 cents a share, beating the average analyst estimate of 5 cents a share.
New York & Co. (NWY US) tumbled 20 percent, the most in the Russell 2000 Index, to $3.35. The women’s clothing retailer reported a second-quarter loss per share excluding some items of 15 cents a share, more than the average analyst estimate of a 14 cent loss per share.
Puda Coal Inc. (PUDA US) slumped 21 percent to $3.23 as trading resumed from a suspension since April 11. The Chinese coal company said it doesn’t intend to appeal the decision by NYSE Amex to delist its shares from the exchange and the stock would trade over the counter. Its board is still in discussion with Chairman Ming Zhao regarding his buyout proposal, the company said.
Silicon Graphics International Corp. (SGI US) rose the most in the Russell 2000 Index, jumping 27 percent to $15.10. The maker of computer servers forecast fiscal 2012 sales of at least $740 million, topping the average analyst estimate in a Bloomberg survey.
Wet Seal Inc. (WTSLA US) climbed 10 percent, the most since March 25, to $4.40. The apparel chain for teenage girls forecast third-quarter earnings excluding some items of at least 5 cents a share, higher than the 4-cent average analyst estimate in a Bloomberg survey.