By Lu Wang

BLOOMBERG NEWS

Shares of the following companies are having unusual moves in U.S. trading this morning.

Adobe Systems Inc. (ADBE US) had the second-steepest loss in the Standard & Poor's 500 Index, sliding 4.5 percent to $34.95. The world's biggest maker of graphic-design programs said it plans to cut 680 jobs, or about 9 percent of its global workforce, as the company copes with a lingering sales slump.

Aixtron AG (AIXG US) advanced 6.4 percent to $32.09 after rising earlier to $32.93, the highest intraday price since Oct. 14. The maker of equipment used to produce LED screens had its price estimate raised by Deutsche Bank AG.

American International Group Inc. (AIG US) fell 3.5 percent to $36.29 for the fifth-biggest retreat in the S&P 500. Chief Executive Officer Robert Benmosche told the insurer's board of directors that he may quit over government limits on what the company can pay employees, according to a person familiar with the matter.

China Digital TV Holding Co. (STV US) fell 12 percent to $6.19 and sank earlier to $6.05, the lowest intraday price since March 3. The country's largest supplier of smart cards for digital television access forecast revenue of $13.6 million at most in the fourth quarter. That trails the average analyst estimate of $14.3 million.

China Housing & Land Development Inc. (CHLN US) rose the most in Russell 2000 Index, rallying 31 percent to $4.93. The

Flowers Foods Inc. (FLO US) declined 6.5 percent to $22.30 and sank as much s 8.2 percent, the most intraday since May 27. The baker, whose brands include Nature's Own, forecast 2009 sales and profit that missed analysts' estimates.

ING Groep NV (ING US) rose 4.7 percent to $15.18 and advanced earlier to $15.45, the highest intraday price since Oct. 26. The financial-services company that plans to sell its insurance businesses posted a third-quarter profit as improved markets limited writedowns. The company told investors on a conference call it is "very committed" to its relationship with Bank of Beijing Co.

Macy's Inc. (M US) fell the most in S&P 500, dropping 7.5 percent to $17.98. The second-biggest U.S. department-store reported a third-quarter loss and forecast full-year earnings that trailed analysts' estimates as sales fell.

Nucryst Pharmaceuticals Corp. (NCST US) surged the most on the Nasdaq Stock Market, rallying 71 percent to $1.69. Smith & Nephew Plc (SN/ LN) said it agreed to buy Smith & Nephew Plc s "substantially all" of the drugmaker's assets for an initial $21 million.

Pioneer Southwest Energy Partners LP (PSE US) fell 4.9 percent to $20.60. The oil and gas property developer started a public offering of 2.7 million common units. The proceeds will be used to repay a credit line, the company said in a news release distributed by Business Wire.

Prudential Financial Inc. (PRU US) added 3.2 percent to $48.98 and climbed earlier to $49.50, the highest intraday price since Oct. 26. The second-largest U.S. life insurer increased its annual dividend 21 percent after posting its third straight quarterly profit.

Reed Elsevier NV (ENL US) fell 4.5 percent to $23.55 and dropped as much as 4.6 percent, the most intraday since July 30. The publisher of Variety magazine said Chief Executive Officer Ian Smith quit after less than a year on the job, causing analysts to question the company's strategy.

Regeneron Pharmaceuticals Inc. (REGN US) jumped 18 percent to $18.71 after rallying as much as 21 percent, the most intraday since November 2007. The Tarrytown, New York-based drugmaker said it expanded its existing agreement with Paris- based Sanofi-Aventis SA to develop drugs to treat pain, cancer and arthritis, in a deal worth up to $1.28 billion.

Semiconductor Manufacturing International Corp. (SMI US) surged 55 percent to $3.74 and rose 65 percent earlier, the most intraday since it went public in March 2004. China's largest chipmaker said founder Richard Chang resigned as chief executive officer and will be replaced by David Wang, a director at Solar Fun Power Holdings Co.

Sigma Designs Inc. (SIGM US) fell 8.4 percent to $11.31 after sliding earlier to $11.06, the lowest intraday price since March 25. The maker of processors for Internet television set- top boxes and Blu-ray video players was downgraded to "sell" from "hold" at Collins Stewart.

Smart Modular Technologies Inc. (SMOD US) climbed 14 percent to $4.55 after rising as much as 17 percent, the most intraday since Aug. 21. The storage-chip maker forecast earnings excluding some items of at least 6 cents a share, beating the 1- cent average estimate of analysts in a Bloomberg survey.

Smithfield Foods Inc. (SFD US) gained 7.2 percent to $16.76 and climbed earlier to $17.13, the highest intraday price since October 2008. The world's biggest pork processor was raised to "buy" from "hold" at Deutsche Bank AG, which cited a reduction of breeding herd in the U.S. and Canada as well as improving demand from overseas.

Tata Motors Ltd. (TTM US) added 3.2 percent to $13.12 and advanced earlier to $13.25, the highest intraday price since Sept. 23. The Mumbai-based carmaker gained after the Society of Indian Automobile Manufacturers said domestic car sales increased 34 percent to 132,615 vehicles in October.

Toll Brothers Inc. (TOL US) jumped 14 percent to $20.97 for the biggest rally in the Russell 1000 Index. The nation's largest luxury homebuilder said orders surged 42 percent in the fiscal fourth quarter and cancellations slowed. Wells Fargo & Co. upgraded the stock to "outperform" from "market perform," saying the company "has dwindling competition in its customer niche and substantial presence in the supply- constrained Northeast."

Other homebuilders also advanced. KB Home (KBH US) added 5.4 percent to $15.47. Lennar Corp. (LEN US) rose 5.2 percent to $15.04. D.R. Horton Inc. (DHI US) gained 4.8 percent to $12.25. Pulte Homes Inc. (PHM US) climbed 5.6 percent to $9.99 for the biggest increase in the S&P 500.

Webster Financial Corp. (WBS US) rose 10 percent to $12.71 after jumping as much as 12 percent, the most intraday since July 27. the holding company for Webster Bank was lifted to "overweight" from "equal weight" by Barclays Plc.