Nov. 20 (Bloomberg) -- 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.

ADC Telecommunications Inc. (ADCT:US) had the third- steepest decline in Russell 2000 Index, losing 11 percent to $5.91. The maker of equipment for telephone companies forecast first-quarter revenue of $250 million to $275 million, saying spending from clients will drop “considerably.” Analysts surveyed by Bloomberg estimated average revenue of $270.4 million.

Aruba Networks Inc. (ARUN:US) fell 6.7 percent to $8.94, the biggest decline since Oct. 28. The builder of wireless networks reported a first-quarter loss of 28 cents a share. The average analyst estimate in a Bloomberg survey was a loss of 4 cents.

Cloud Peak Energy Inc. (CLD:US) dropped 1.1 percent to $14.84 on the first day of trading. Rio Tinto Group’s coal unit cut the price for its $459 million initial public offering and sold 30.6 million shares at $15 each.

Other coal stocks also slipped. Arch Coal Inc. (ACI:US) lost 2.9 percent to $22.26. Consol Energy Inc. (CNX:US) declined 3.3 percent to $46. Peabody Energy Corp. (BTU:US) sank 1.2 percent to $45.39.

Dell Inc. (DELL:US) slipped 10 percent to $14.29 for the second-steepest drop in the Standard & Poor’s 500 Index. The world’s third-largest maker of personal computers reported third-quarter earnings that missed analysts’ estimates after it lost market share and higher PC component costs cut into profit.

Dillard’s Inc. (DDS:US) added 9.7 percent to $15.66, the highest price since June 2008. The department-store chain was raised to “buy” from “hold” and its share price estimate increased to $28 from $13.50 at Deutsche Bank AG, which said the company is positioned better than almost all investors estimate to increase earnings based on merchandising and cost control initiatives.

D.R. Horton Inc. (DHI:US) dropped the most in the S&P 500, slumping 15 percent to $10.37. The second-largest U.S. homebuilder by revenue reported a fourth-quarter loss of 73 cents per share, three times wider than the average estimate of analysts surveyed by Bloomberg.

Other homebuilders also retreated. Pulte Homes Inc. (PHM:US) declined 3.7 percent to $9.46. Lennar Corp. (LEN:US) lost 3.5 percent to $13.67. KB Home (KBH:US) slid 3.4 percent to $14.12.

Dress Barn Inc. (DBRN:US) surged 5.7 percent to $21.68, the highest price since June 2007. The Suffern, New York-based retailer of women’s clothing reported first-quarter earnings of 37 cents a share, 11 percent more than the average analyst estimate in a Bloomberg survey.

DryShips Inc. (DRYS:US) fell 3.7 percent to $6.29, the lowest price since Nov. 10. The Greek owner of deep-water drilling rigs and ships that haul commodities increased the size of its convertible senior notes offering to $400 million from $300 million. The initial conversion price will be $7.19 a share, and the sale is expected to close on November 25.

Gannett Co. (GCI:US) lost 4.7 percent to $10.38, the lowest. The publisher of USA Today fell for a second day after the Newspaper Association of America released data that showed U.S. newspaper industry ad revenue fell 28 percent in the third quarter. Total ad sales plunged 29 percent in the second quarter.

Hibbett Sports Inc. (HIBB:US) climbed 5.4 percent to $19.99, the biggest gain since Oct. 13. The owner of sporting- goods stores increased its forecast for fiscal 2010, saying it expects to earn at least 95 cents a share. That topped the 92- cent average estimate from analysts.

J. M. Smucker Co. (SJM:US) added 5.4 percent, the most since June 18, to $56.35. The maker of Smucker’s jams and Jif peanut butter reported second-quarter earnings excluding some items of $1.22 a share, 18 percent higher than the average analyst estimate.

Kirkland’s Inc. (KIRK:US) climbed 18 percent to $15.72 for the third-biggest gain in Russell 2000 Index. The home accessories and gifts retailer said it expects earnings before taxes in fiscal 2009 to be “significantly” higher than the previous year’s $10.1 million.

Lannett Co. (LCI:US) surged 29 percent to $6.40, for the biggest gain in the Russell 2000. The generic-drug maker based in Philadelphia said its board authorized the company to repurchase as much as $5 million of outstanding common stock.

Leap Wireless International Inc. (LEAP:US) rose 12 percent, the most since Dec. 8, to $14.27. MetroPCS Communications Inc., the pay-as-you-go mobile-phone carrier, should purchase smaller rival Leap to “unlock” $2 billion of value, according to analysts at Pali Capital Inc.

MetroPCS (PCS:US) jumped 6.5 to $6.52, for the biggest gain in the S&P 500, on speculation that it may be acquired, an analyst at SunTrust Robinson Humphrey Inc. in Atlanta said. The German newspaper Handelsblatt, in an article published today, said it learned from “company circles” that Deutsche Telekom AG, the parent of T-Mobile USA, might seek a partnership or may consider acquiring MetroPCS to help with the costs of expansion in the U.S.

LogMeIn Inc. (LOGM:US) declined 10 percent to $17.55, the lowest price since Sept. 21. The provider of Internet connectivity services that let companies do work on remote computers and other devices said it priced 3.13 million shares at $18.50 in a stock offering.

Merck & Co. (MRK:US) had the biggest gain in the Dow Jones Industrial Average, adding 3.2 percent to $36.46. The drugmaker said the Committee for Medicinal Products for Human Use of the European Medicines Agency recommended approval of Elonva as a treatment in controlled ovarian stimulation in combination with a GnRH antagonist for the development of multiple follicles in women participating in an assisted reproductive technology program.

Novavax Inc. (NVAX:US) fell 13 percent, the most since June 5, to $3.28. The vaccine maker said it’s offering 6.8 million shares at $3.30 each, raising money to fund research and development.

Taleo Corp. (TLEO:US) lost 1 percent to $20.79, the lowest price since Oct. 28. The maker of software used to hire and evaluate employees priced its sale of 6.5 million shares at $20.25 each.

Verigy Ltd. (VRGY:US) jumped 7.6 percent, the most since April 16, to $9.68. The maker of semiconductor-testing equipment forecast a first-quarter loss of 9 cents a share at most, narrower than the average estimate of 14 cents by analysts surveyed by Bloomberg.

Wet Seal Inc. (WTSLA:US) slid 8.5 percent, the most since May 29, to $3.02. The apparel chain for teenage girls projected profit of 7 cents a share at most in the fourth quarter, trailing the 8-cent average per-share estimate of analysts surveyed by Bloomberg.

Zumiez Inc. (ZUMZ:US) climbed 9.8 percent, the most since Sept. 18, to $12.21. The specialty sports-apparel retailer reported third-quarter profit of 17 cents a share, beating the average analyst estimate by 21 percent, according to Bloomberg data.

To contact the reporter on this story: Sapna Maheshwari in New York at smaheshwar11@bloomberg.net

Last Updated: November 20, 2009 17:07 EST