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.
CarMax Inc. (KMX US) retreated 5.5 percent, the most since Sept. 28, to $29.35. The largest U.S. seller of used cars reported third-quarter earnings of 36 cents a share, missing the average analyst estimate of 38 cents a share.
Cintas Corp. (CTAS US) rose 9.3 percent to $34.19, for the biggest gain in the Standard & Poor’s 500 Index. The provider of restroom supplies and entrance mats raised its fiscal year 2012 profit forecast to at least $2.16 a share, above the average analyst estimate of $2.03 a share, data compiled by Bloomberg show.
Cobalt International Energy Inc. (CIE US) added 11 percent to $15.43, the second-biggest gain in the Russell 1000 Index. The deep-water oil explorer was raised to “buy” from “neutral” at Goldman Sachs Group Inc., which cited results at the company’s Cameia-1 well.
Delcath Systems Inc. (DCTH US) rallied 22 percent, the most since July 2010, to $2.42. The developer of an experimental system for giving anti-cancer drugs appointed Gregory Gores to its advisory board. Gores chairs the division of gastroenterology and hepatology at the Mayo Clinic.
Delphi Financial Group Inc. (DFG US) rallied 73 percent to $44, the biggest gain in the Russell 2000 Index. The workers compensation and group-life insurer will be acquired by Tokio Marine Holdings Inc., Japan’s second-largest casualty insurer, for $2.7 billion in cash in its biggest acquisition in three years to counter declining demand at home.
Emerson Electric Co. (EMR US) declined 5.4 percent, the most since Sept. 30, to $46.97. The maker of industrial equipment and garbage disposals reported November orders that were lower than analysts’ estimates.
Expedia Inc. (EXPE US) gained 3.9 percent to $27.89, the highest price since Sept. 14. The online travel agency completed the spinoff of TripAdvisor Inc. (TRIP US), which today began trading on the Nasdaq Stock Market. TripAdvisor fell 8.5 percent to $27.67.
Oracle Corp. (ORCL US) dropped 12 percent to $25.77, for the biggest decline in the S&P 500. The world’s second-largest software maker reported quarterly sales and profit that missed analysts’ estimates as customers held off on purchasing database and applications software.
International Business Machines Corp. (IBM US), the world’s largest computer-services company, dropped 3.1 percent, the most in the Dow Jones Industrial Average, to $181.47. Cisco Systems Inc. (CSCO US) retreated 2.6 percent to $17.92. Tibco Software Inc. (TIBX US) lost 6.6 percent to $22. Citrix Systems Inc. (CTXS US) slipped 7.8 percent to $58.46. CommVault Systems Inc. (CVLT US) fell 13 percent to $40.39.
Research In Motion Ltd. (RIMM US) rose 10 percent, the most since Oct. 5, to $13.78. Microsoft Corp. (MSFT US) and Nokia Oyj considered a joint acquisition bid for the BlackBerry smartphone maker, the Wall Street Journal reported, citing people familiar with the matter. The Waterloo, Ontario-based company may have turned down an overture from Amazon.com Inc., according to Reuters, which also cited unidentified people familiar with the matter. Spokeswomen for RIM and Amazon and a spokesman for Nokia declined to comment.
Shaw Group Inc. (SHAW US) rose 16 percent to $26.30 for the biggest gain in the Russell 1000 Index. The power-plants builder posted first-quarter earnings, excluding Westinghouse Electric, of 48 cents a share, beating the average analyst estimate of 44 cents a share.
Supervalu Inc. (SVU US) climbed 3.2 percent to $7.99, the highest price since Nov. 18. The supermarket chain is worth about $11 a share in a break-up, JPMorgan Chase & Co. analyst Ken Goldman said in a note.
Teradata Corp. (TDC US) declined 5.5 percent, the most since Aug. 18, to $47.70. The data-storage software company was downgraded to “market perform” from “outperform” at Oppenheimer & Co. by equity analyst Brad Reback.