Coldwater Creek ( CWTR) tumbled more than 20% after the close Thursday as the women's apparel retailer sliced its fiscal fourth-quarter earnings estimate, joining a chorus of retailers blaming their woes on poor holiday sales. The Sandpoint, Idaho-based company now expects income of 16 cents to 17 cents a share, down steeply from previous guidance of 26 cents to 27 cents a share. Shares were losing $5.03 to $18.58.

JDS Uniphase ( JDSU) surged after the Milipitas, Calif.-based maker of communications-systems components said its fiscal second-quarter sales would probably be higher than previously issued guidance. Sales are now estimated at between $360 million and $365 million, up from the previous range of $332 million to $352 million and higher than the $342 million estimate according to Thomson Financial. Shares were up $2.01, or 12.7%, to $17.80.

Technology Research ( TRCI) bounced on word that Department of Defense prime contractors have ordered $5 million worth of its military tactical quiet mobile generating systems and that it has received additional field-support parts orders from other defense-related entities. The Clearwater, Fla.-based small-cap plans to deliver the products over the next year. Shares were rising 34 cents, or 7%, to $5.23.

Hythiam ( HYTM) rose after the company, which develops treatment protocols for substance-abusers, said it will buy the remainder of Comprehensive Care's assets for $9 million in cash and about 708,000 Hythiam shares. CompCare, a behavioral health care company, is already majority-owned by Los Angeles-based Hythiam. The transaction is expected to close in the first half of 2007. Shares were up 44 cents, or 4.4%, to $10.50.

Textron ( TXT), a manufacturing and finance conglomerate, fell after it announced that the president and CEO of its Bell Helicopter unit, Michael Redenbaugh, had resigned from the company. Richard Millman, who had been president of the company's Textron Systems unit, will succeed him, and Frank Tempesta, formerly Textron Systems' COO, will succeed Millman. The Providence, R.I., company also announced it likely will earn more from fourth-quarter continuing operations than its previous forecast of $1.35 to $1.45 a share. But shares were off $4.65, or 4.8%, to $93.25.

Cree ( CREE) fell on disappointing results for the quarter ended Dec. 24. The LED-products maker posted a profit of $16.5 million, or 21 cents a share, compared with $17.7 million, or 23 cents a share, a year ago. Revenue slid 16% from last year to $88.8 million. Shares were slipping 36 cents, or 2.1%, to $17.09.

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