Updated from 11:45 a.m. EST

Earnings Reports & Outlooks

Christopher & Banks

(CHBS)

said March same-store sales rose 12%, and total sales for the four weeks ended March 30 increased 41% to $23.3 million. The company also increased its bank revolving credit line. Shares of the women's apparel retailer were up 12% to $33.44.

Compuware

(CPWR)

was plunging 22% to $8.67 a day after the software maker said fourth-quarter earnings would be only about half of what analysts were expecting. The company said it will earn 7 cents to 8 cents a share before items, while Wall Street is looking for a profit of 15 cents.

Gtech

( GTK), an operator of lottery systems, posted fourth-quarter earnings of 93 cents a share, excluding items. Analysts were looking for earnings of 86 cents. Revenue for the quarter rose 12% to $275 million. Gtech forecast first-quarter earnings of 83 cents to 88 cents a share, while analysts expect 79 cents. The stock was up 7.9% to $50.50.

InFocus

( INFS) said revenue and earnings for its first quarter ended March 31 will be below previous expectations. The company, which makes digital projectors, now expects revenue of $150 million to $155 million and a loss of 18 cents to 24 cents a share. Analysts expect a profit of 15 cents. The stock was down 14.4% to $14.77.

MatrixOne

( MONE) expects third-quarter revenue to come in at the low end of its previous forecast of $31 million to $33 million. The company also expects to report a loss of 9 cents a share, excluding stock-based compensation charges, which would be in line with estimates. The stock was gaining 16.4% to $9.43.

Millipore

(MIL)

, a provider of services for companies developing new therapeutic drugs, expects first-quarter earnings of 38 cents to 42 cents a share, but the company said its revenue will come in lower than anticipated. Analysts expect earnings of 40 cents. The shares were losing 6.6% to $40.90.

Mothers Work

( MWRK) said sales rose 20.8% to $43.2 million in March, while same-store climbed 7.6%. Net sales increased 17.8% to $104.9 million for the second quarter ended March 31. In a press release, the maternity apparel maker said "we are confident that our earnings for the second quarter ... will show significant improvement compared to last year and will be materially better than current analyst earnings estimates." Analysts expect a loss of 55 cents. The stock was up 23.3% to $19.01, a 52-week high.

Peet's Coffee & Tea

( PEET) expects first-quarter earnings of 5 cents a share and revenue of about $24.4 million. Analysts expect a profit of 4 cents. The stock was up 9.2% to $14.28.

Smith & Wollensky

( SWRG), a restaurant group owner, said first-quarter sales fell 4.5% to $19.5 million. The company said the results pointed to a continuing recovery, after the top line fell 15.6% in the fourth quarter and 27.3% in the third quarter. Shares were up 13.1% to $5.60.

Western Digital

(WDC) - Get Report

was up 14.2% to $6.85 a day after the hard drive maker said revenue, unit shipments, and earnings will exceed its earlier guidance Revenue should be about $590 million, while earnings should reach 8 cents a share, excluding nonrecurring items. The consensus estimate is 4 cents. Including tax benefits and investment gains, total earnings are expected to reach 10 cents a share.

Offerings

Tower Automotive

( TWR) filed with the

Securities and Exchange Commission

to sell 15 million common shares. The company will use any proceeds from the proposed offering to repay borrowings from its senior credit facility. Morgan Stanley is the lead manager of the offering. Tower was down 2.6% to $13.05.