Nov. 18 (Bloomberg) -- The following is a list of companies whose shares may have unusual price changes on U.S. exchanges tomorrow. Stock symbols are in parentheses after company names and prices are from the last close.

Archer Daniels Midland Co. (ADM US): The world's largest grain processor may be too expensive given the uncertainty regarding its margins and profit in the next few quarters, Barron's reported, citing no one. Archer Daniels shares rose 86 cents to $37.89 on Nov. 16.

AT&T Inc. (T US): The owner of the biggest U.S. wireless service talked with Google Inc. about joining its mobile-phone software alliance. The phone company is ``analyzing the situation'' and may use Google's software for phones, Ralph de la Vega, chief executive officer of the wireless unit, said in an interview today. The shares rose 18 cents to $39.55 in regular trading.

Citigroup Inc. (C US): The largest U.S. bank replaced David Bushnell as chief risk officer, two weeks after it said writedowns on mortgage-related investments may lead to its first quarterly loss since at least 1998. Jorge Bermudez takes over for Bushnell, the bank said Nov. 16 in a statement. Bushnell, who also serves as chief administrative officer, will retire Dec. 31. Citigroup fell 58 cents to $34.

Cooper Tire & Rubber Co. (CTB US): The second-largest U.S. tiremaker said it authorized a $100 million stock repurchase plan. The buyback supersedes an existing repurchase plan authorized in February 2005, Findlay, Ohio-based Cooper said in a statement distributed by PR Newswire. The shares fell 69 cents to $14.67.

EarthLink Inc. (ELNK US): The fourth-largest U.S. Internet- service provider is considering strategic options for its municipal wireless business after the project failed to revive profit. Earthlink gained 13 cents to $7.27.

Eli Lilly & Co. (LLY US): The world's biggest maker of psychiatric drugs may drop to $47 if its anti-clotting medication, Prasugrel, doesn't generate sales after winning approval, Barron's reported, citing Morgan Stanley analyst Jami Rubin. Eli Lilly stock declined 25 cents to $51.81.

Lululemon Athletica Inc. (LULU US): The sports apparel company said it's removing references to therapeutic and performance attributes of its VitaSea line of clothing. Chief Executive Officer Bob Meers said in a statement he dropped the health references to cooperate with the Competition Bureau of Canada, which said some of the claims ``are unsubstantiated.'' The shares rose 24 cents to $41.74.

Spreadtrum Communications Inc. (SPRD US): The Chinese maker of mobile-phone chips agreed to buy closely held Quorum Systems Inc. for as much as $76 million in cash and stock to add low- power radio-frequency products. Spreadtrum's American depositary receipts, each representing three ordinary shares, rose 37 cents to $14.10.

To contact the reporter on this story: James Temple in San Francisco at jtemple@bloomberg.net

Last Updated: November 18, 2007 14:23 EST