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.
AAR Corp. (AIR US) jumped 7.7 percent, the most since Dec. 16, to $21.11. The aircraft parts and maintenance provider was raised to “outperform” from “neutral” at Wedbush Securities Inc. with a 12-month price estimate of $25 a share.
Abercrombie & Fitch Co. (ANF US) rallied 8.9 percent, the most since May 4, to $42.03. The teen clothing retailer said sales at stores open at least a year rose 13 percent, beating the 3.6 percent average of analysts’ estimates compiled by Retail Metrics Inc.
Adobe Systems Inc. (ADBE US) surged 12 percent to $28.69, for the biggest gain in the Standard & Poor’s 500 Index. The maker of graphic software’s Chief Executive Officer Shantanu Narayen discussed the possibility of being acquired by Microsoft Corp. (MSFT US) with the software company’s Chief Executive Officer Steve A. Ballmer, the New York Times Reported on its website.
Affymax Inc. (AFFY US) slid 9.7 percent, the most since Aug. 9, to $5.85. The biopharmaceutical company lost a U.S. patent ruling to Johnson & Johnson (JNJ US).
American Eagle Outfitters Inc. (AEO US) advanced 8.1 percent, the most since October 2008, to $16.23. The young-adult clothing retailer raised its estimate on third-quarter earnings from continuing operations to at least 27 cents a share. The average estimate of analysts surveyed by Bloomberg is 25 cents.
Alvarion Ltd. (ALVR US) jumped 15 percent, the most since June 17, to $2.17. The maker of wireless telecommunications systems signed a multiyear agreement to supply equipment and services to Canada’s Barrett Xplore Inc. for that country’s first 4G Broadband Wireless Access network.
Bebe Stores Inc. (BEBE US) slipped 7.9 percent, the most since July 19, to $6.44. The women’s clothing retailer said sales at stores open at least a year declined 4.7 percent during the fiscal first quarter.
BMC Software Inc. (BMC US) climbed 6.7 percent, the most since March 2009, to $42.32. The maker of programs that manage mainframes and computer networks may be considering a sale of the company, the DealReporter said, citing three industry bankers and an executive familiar with the situation.
Buckle Inc. (BKE US) rose 11 percent, the most since March 2009, to $29.55. The U.S. casual-clothing retailer said its same-store sales increased 3 percent in September. Analysts estimated a decline of 4.4 percent, according to Retail Metrics Inc.
Clearwire Corp. (CLWR US) declined 3.9 percent to $7.11, the lowest price since Sept. 8. Competitor LightSquared Inc., Philip Falcone’s broadband and satellite venture, obtained $850 million of debt to finance the build-out of a next-generation mobile broadband network in the U.S.
Delcath Systems Inc. (DCTH US) climbed 12 percent, the most since July 14, to $8.10. The developer of an experimental system for giving anti-cancer drugs jumped on takeover speculation, according to Theflyonthewall.com, citing no one.
Golden Minerals Co. (AUMN US) fell 9.7 percent, the most since Feb. 23, to $19.48. The mining company said it intends to sell shares this month, raising money to fund projects in Latin America.
Immucor Inc. (BLUD US) dropped the most in the Russell 2000 Index, sliding 18 percent to $16.72. The maker of products used to screen donated blood said adjusted earnings in 2011 will be no more than $1.18 a share, compared with the average analyst estimate of $1.28 a share.
InterMune Inc. (ITMN US) gained 7.6 percent, the most since May 3, to $14.47. The biotechnology company said it sold worldwide development and commercialization rights to its experimental hepatitis C drug to Hoffman-La Roche Inc. and F. Hoffman-La Roche Ltd. for $175 million in cash.
Limited Brands Inc. (LTD US) advanced 3.8 percent to $28.64, the highest price since July 2007. The clothing retailer said same-store sales increased 12 percent, more than the 4 percent increase estimated by Retail Metrics analysts.
Marriott International Inc. (MAR US) fell the most in the S&P 500, losing 5.8 percent to $35.67. The largest U.S. hotel chain reported third-quarter profit of 22 cents a share, trailing the average analyst estimate by 1 cent.
Starwood Hotels & Resorts Worldwide Inc. (HOT US), the owner of the St. Regis and W hotel brands, which is scheduled to report earnings on Oct. 28, slipped 3 percent to $53.90.
MEMC Electronic Materials Inc. (WFR US) rose 3.7 percent to $12.78, the highest price since May 3. The company, which makes silicon wafers used in the technology and solar industries, is “cheap” and may be poised to rise by the fourth quarter, Jim Cramer said on his “Mad Money” program.
Neoprobe Corp. (NEOP US) dropped 12 percent, the most since March 2009, to $1.68. The company, which develops surgical and diagnostic testing products for cancer patients, said the U.S. Food and Drug Administration requested a second clinical trial be included as part of its new drug application for Lymphoseek. The company had planned to submit the data as an amendment.
PepsiCo Inc. (PEP US) declined 3 percent, the most since June 4, to $66.10. The world’s largest snack-food producer said full-year per-share earnings will rise as much as 11 percent, less than its prior forecast of up to 12 percent. The company reported third-quarter per-share earnings of $1.22, which matched the average estimate of analysts surveyed by Bloomberg.
ProLogis (PLD US) rose 4.7 percent to $13, the highest price since May 3. The world’s largest owner of warehouses will sell 180 properties to Blackstone Group LP for $1 billion, CNBC reported, citing the Wall Street Journal.
Regeneron Pharmaceuticals Inc. (REGN US) fell 4.1 percent to $27.98 for the biggest decline since Aug. 19. The drugmaker filed to sell 4.5 million shares in a secondary offering.