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.
Constellation Brands Inc. (STZ) increased 4.3 percent to $18.52 for the second-biggest gain in the Standard & Poor’s 500 Index. The world’s largest winemaker said it had second-quarter profit of 52 cents a share excluding some items, beating the 49 cent average estimate of analysts surveyed by Bloomberg.
Diamond Foods Inc. (DMND) fell 4.1 percent, the most since Aug. 25, to $40.72. The nut processor and distributor said 2011 profit excluding some items may be as low as $2.38 a share, compared with the average analyst estimate of $2.45 a share.
DuPont Fabros Technology Inc. (DFT) declined 5.3 percent, the most since July 16, to $24.69. The technology company whose customers include Google Inc. and Microsoft Corp. said third quarter profit may be as low as 33 cents a share, compared with the average analyst estimate of 36 cents in a Bloomberg survey.
Equinix Inc. (EQIX) dropped the most in the Russell 1000 Index, slumping 33 percent to $70.34. The operator of Internet data centers said third-quarter sales were no more than $330 million, compared with the average analyst estimate of $336.6 million.
Among Equinix’s competitors, Savvis Inc. (SVVS US) fell 10 percent to $19.39, while Rackspace Hosting Inc. (RAX) slid 11 percent to $23.29.
F5 Networks Inc. (FFIV) tumbled 13 percent, the most since October 2007, to $97.54. The maker of software to handle Internet traffic and content was cut to “neutral” from “buy” at Gleacher & Company, with a 12-month share price estimate of $115.
Massey Energy Co. (MEE US) rose the most in the S&P 500, climbing 6.1 percent to $33.82. The coal producer was rated “buy” in new coverage by Brean Murray & Co.
M&T Bank Corp. (MTB) slipped 5 percent to $78.91, the lowest price since June 14. Allied Irish Banks Plc said it will start selling its 22.4 percent stake in the Buffalo, New York-based lender, valued at $2.2 billion, in a U.S. public offering.
Maidenform Brands Inc. (MFB US) declined 8 percent, the most since March 2009, to $26.37. The maker of women’s undergarments was cut to “hold” from “buy” at BB&T Corp.
OGE Energy Corp. (OGE) gained 4 percent to $42.55, the highest price since at least July 1980. The owner of Oklahoma’s electric and gas utility and ArcLight Capital Partners LLC said they agreed for an ArcLight affiliate to acquire a 9.9 percent equity ownership stake in Enogex, OGE Energy’s midstream natural gas pipeline subsidiary.
OSI Systems Inc. (OSIS) retreated 5.9 percent to $34.64. The maker of gear to scan carry-on luggage was cut to “hold” from “buy” at Benchmark Co.
PMI Group Inc. (PMI US) rose 6 percent to $3.89, the highest price since June 18. Leon Cooperman, founder of hedge fund Omega Advisors Inc., disclosed a 5.3 percent stake in the mortgage insurer.
Polycom Inc. (PLCM) rose 5.1 percent, the most since April 14, to $27.17. The largest independent maker of videoconferencing systems will at least meet its own sales forecast for the third quarter, William Blair & Co. wrote in a note to clients, citing industry and reseller checks.
T-3 Energy Services Inc. (TTES US) jumped 10 percent, the most since November 2009, to $29.98. The provider of oilfield products and services and Robbins & Myers Inc. (RBN US), a maker of fluid management systems, said their boards of directors unanimously approved an agreement for Robbins & Myers to acquire T-3 for about $422 million in stock and cash. Robbins & Myers fell 5.2 percent to $25.29.
Team Inc. (TISI) advanced 5.4 percent to $18.87, the highest price since March 5. The provider of industrial services posted first-quarter earnings excluding some items of 20 cents a share, beating the average analyst estimate by 43 percent, according to Bloomberg data.
TeleCommunication Systems Inc. (TSYS) surged 31 percent to $4.89 for the second-biggest gain in the Russell 2000 Index. The maker of satellite systems said it won a $269 million contract from the U.S. Marine Corps.
Wilmington Trust Corp. (WL US) dropped 12 percent to $7.71, the lowest price since March 2009. The Delaware bank founded by the du Pont family is seeking a capital infusion from private-equity firms, four people with knowledge of the matter said.
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