Shares of the following companies are having unusual moves in U.S. trading today. Stock symbols are in parentheses and prices are as of 9:35 a.m. in New York.
American Apparel Inc. (APP US) rose 6.2 percent to $1.55. The clothing retailer was granted an extension until Nov. 15 by the NYSE Amex LLC to meet listing standards. Failure to make progress at periodic reviews may result in delisting, according to a statement.
Chelsea Therapeutics International Ltd. (CHTP US) surged 34 percent to $6.76. The biotechnology company reported that preliminary testing of its Northera drug showed improved symptoms associated with neurogenic orthostatic hypotension, a chronic drop in blood pressure upon standing.
Clorox Co. (CLX US) advanced 0.5 percent to $66.98. The maker of household-cleaning products is near an agreement to sell its STP and Armor All auto-care brands to private-equity firm Avista Capital Partners for $750 million to $800 million, according to two people with knowledge of the matter.
Diamond Hill Investment Group (DHIL US) increased 18 percent to $71. The investment management service provider said it will pay a special dividend of $13 a share to shareholders of record on Dec. 1, payable Dec. 15.
Discover Financial Services (DFS US) added 3.9 percent to $16.17. The payments processor whose stock has outperformed its three larger U.S. rivals this year posted a third-quarter profit that exceeded Wall Street estimates as card spending increased. Discover reported a profit of 47 cents a share, which beat analysts’ predictions of 38 cents a share.
L-1 Identity Solutions Inc. (ID US) surged 20 percent to $11.61. Safran SA, a French maker of aerospace engines and equipment, agreed to acquire most of the Stamford, Connecticut- based maker of security software for $1.6 billion, or $12 a share. L-1 also agreed to sell its counter-terrorism business to BAE Systems Plc for $296 million in cash.
Lennar Corp. (LEN US) jumped 4.8 percent to $14.66. The fourth-largest U.S. homebuilder reported third-quarter profit that beat analysts’ estimates. Earnings per share were 16 cents compared with an average estimate of 3 cents. The company said it had wider margins on house sales and growing revenue at its distressed-investing unit.
McMoRan Exploration Co. (MMR US) advanced 2.8 percent to $14.97. The oil producer announced a private placement of $900 million in convertible securities upon the completion of its acquisition of the shallow water Gulf of Mexico shelf assets of Plains Exploration & Production Co. (PXP US). Freeport-McMoRan Copper & Gold Inc. (FCX US) agreed to buy 56 percent of the securities.
Plains rose 1.2 percent to $27.22. Freeport gained 1.1 percent to $82.58.
Netezza Corp. (NZ US) advanced 12 percent to $27.65. The maker of a data-storage appliance will be acquired by International Business Machines Corp. for about $1.7 billion, or $27 a share.
Nucor Corp. (NUE US) and U.S. Steel Corp. (X US): The two biggest U.S. steelmakers were cut to “neutral” from “buy” by Goldman Sachs Group Inc. on expectations steel prices will stay in a range in the near-term.
Nucor slipped 1.5 percent to $38.18. U.S. Steel fell 3.2 percent to $44.74.
OpenTable Inc. (OPEN US) slumped 3.3 percent to $63.04. The operator of an online restaurant-reservation service might be overvalued and may fall after the shares have more than doubled since February, Barron’s reported, without citing anyone.
Roma Financial Corp. (ROMA US) added 0.4 percent to $10.39. The bank holding company said it may buy back as much as 5 percent of its shares outstanding.
Ruby Tuesday Inc. (RT US) fell 0.4 percent to $10.87. The casual-dining chain entered a licensing agreement with LFMG International LLC to open and operate as many as 200 Lime Fresh Mexican Grill restaurants, according to a regulatory filing.
Spark Networks Inc. (LOV US) increased 3.2 percent to $3.25. The online-dating service company may be an attractive takeover target, Barron’s reported.
To contact the editor responsible for this story: Nick Baker at email@example.com.