Lenox Group ( LNX) was diving more than 35% after the housewares maker drastically slashed its full-year guidance and announced that Chairwoman and CEO Susan Engel had left the company. The CEO post will be temporarily assumed by Carl Marks Advisory Group partner Marc Pfefferle, who, the company highlighted, has years of experience in corporate restructuring. Eden Prairie, Minn.-based Lenox now expects to lose between 20 cents and 30 cents a share in 2006, down from its previous profit forecast of between 35 cents and 45 cents a share. Taking into account several items, including a goodwill impairment charge, Lenox predicts a loss of $2.07 to $2.17 a share. Shares were plunging $2.36 to $4.27.

Cleveland-based Datatrak International ( DATA) rocketed on news that the company, which sells technology services for the purpose of clinical trials, had been awarded contracts worth $4.7 million -- 18 in total -- by seven different trial sponsors in the U.S. and in Europe. Shares were adding $1.01, or 20%, to $6.07.

Saba Software ( SABA) shares were leaping after the company reported growth in its fiscal second-quarter profits. On an adjusted basis, the company, which makes educational software for business professionals, earned $2 million, or 7 cents a share, compared with $694,000, or 4 cents a share, a year ago. Analysts polled by Thomson Financial were looking for 6 cents a share. Revenue climbed 67% to $27.8 million. Looking ahead, the company expects adjusted profits of 7 cents to 10 cents a share next quarter. The consensus estimate is 10 cents. Shares of the Redwood Shores, Calif.-based company were gaining 75 cents, or 12.2%, to $6.89.

Mothers Work ( MWRK) jumped after the Philadelphia-based maternity-apparel retailer estimated better-than-expected earnings for the first fiscal quarter ended Dec. 31. December sales increased only slightly -- 0.3% to $55.6 million -- and same-store sales declined by the same ratio. However, the company expects to see income of at least 42 cents a share, excluding a 21-cent debt redemption charge, compared with 8 cents a share a year ago. Two analysts are seeking income of 36 cents a share. On the heels of this news, an analyst with B. Riley & Co. upgraded the stock to buy from neutral. Shares were gaining $3.45, or 8.8%, to $42.67.

Nextest Systems ( NEXT) rose after the San Jose, Calif., company, which makes testing equipment for the semiconductor industry, was upgraded by Nollenberger Capital to buy from neutral. Shares were up 90 cents, or 8%, to $12.09.

Westaff ( WSTF), a temporary staffing agency, plunged following disappointing results for the quarter and year ended Oct. 28. The Walnut Creek, Calif., company said it earned $2.6 million in the fiscal fourth quarter, or 16 cents a share, compared with $18.8 million, or $1.14 a share, a year ago. Revenue edged down $4.1 million to $196.9 million. Full-year profits totaled only $3.1 million, or 19 cents a share, compared with $21.1 million, or $1.30 a share, in 2005 Revenue rose by $2.1 million to $615 million. The company says it has been restructuring, and that profits from international operations have been slipping. Shares were down 94 cents, or 16.4%, to $4.79.

Business-software company BPO Management Services ( BPOM) dropped on word it will be delisted from the Nasdaq for failure to have at least $5 million in stockholders' equity. The California-based company will now trade on the OTC Bulletin Board. Shares were losing 31 cents, or 9.9%, to $2.83.

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