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Thursday's Tech Winners & Losers

Motorola slips on a profit warning.

Shares of

Motorola

(MOT)

were among the technology sector's losers Thursday, falling 6.5% after the cell-phone maker slashed its first-quarter revenue guidance and warned that earnings would be well below expectations.

The company now sees revenue of $9.2 billion to $9.3 billion, well below its previous guidance of $10.4 billion to $10.6 billion. The company expects adjusted earnings of break-even to 2 cents a share. Analysts project earnings of 17 cents a share on revenue of $10.44 billion.

Motorola also announced that David Devonshire would step down as chief financial officer. He'll be replaced by Thomas Meredith, who will serve as acting CFO beginning on April 1. "Performance in our mobile devices business continues to be unacceptable, and we are committed to restoring its profitability," the company said. "After further review following the leadership change in our mobile devices business, we now recognize that returning the business to acceptable performance will take more time and greater effort." Shares were down $1.22, to $17.52, below their 52-week low.

Shares of

Intuit

(INTU) - Get Intuit Inc. (INTU) Report

were falling 8% after the software company turned in season-to-date sales of its consumer tax products and services and reiterated its full-year earnings and revenue guidance.

Through March 17, the company said that TurboTax federal unit sales increased just 1% over last year's results. Despite the small increase, the company continues to expect unit growth of 3% to 5% for the full season. Additionally, the company continues to expect revenue growth of 10% to 15% in the segment.

Looking ahead, Intuit reiterated its adjusted full-year earnings and revenue guidance. The company continues to see earnings of $1.33 to $1.37 a share on revenue of $2.63 billion to $2.68 billion. Analysts polled by Thomson First Call project earnings of $1.37 a share on revenue of $2.66 billion. Shares were trading down $2.49, to $27.51.

Shares of

RCM Technologies

(RCMT) - Get RCM Technologies, Inc. Report

jumped 13% after the technology company posted better-than-expected fourth-quarter results. The company earned $2.3 million, or 19 cents a share, on revenue of $54.2 million. The single-analyst forecast called for earnings of 9 cents a share on revenue of $51.2 million. During the year-earlier period, the company earned $818,500, or 7 cents a share, on revenue of $46.8 million. Shares were trading up 82 cents, to $7.20.

Glu Mobile

(GLUU) - Get Glu Mobile Inc. Report

, a publisher of mobile games, saw its shares rise 11% on their first day of trading. The company's initial public offering priced at $11.50 a share, near the top end of its proposed range of $10 to $12 a share. The offering of 7.3 million shares raised about $84 million. Goldman Sachs led the underwriting syndicate. Shares were trading up $1.32, to $12.82.

Shares of

Tessco Technologies

(TESS) - Get TESSCO Technologies Incorporated Report

tumbled 12% after the wireless-systems products company warned that its full-year earnings would be lower than expected. The company said that fourth-quarter revenue, which is expected to be up about 30%, will be lower than expected as well, leading to the earnings shortfall. For the full year ending April 1, the company now sees earnings that will be at the low end of its previous earnings range of $1.15 to $1.22 a share. The single-analyst forecast calls for earnings of $1.23 a share.

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Looking ahead, Tessco sees fiscal 2008 earnings of $1.35 to $1.60 a share. The single-analyst forecast calls for earnings of $1.56 a share. Shares were trading down $3.55, to $25.58.

Other technology movers included

Sun Microsystems

(SUNW) - Get Sunworks, Inc. Report

, down 16 cents to $6.33;

CMGI

(CMGI)

, up 15 cents to $2.07;

Intel

(INTC) - Get Intel Corporation (INTC) Report

, down 16 cents to $19.18;

Microsoft

(MSFT) - Get Microsoft Corporation (MSFT) Report

, down 21 cents to $28.31;

Palm

(PALM)

, down $1.60 to $17.85;

Oracle

(ORCL) - Get Oracle Corporation Report

, up 27 cents to $18.44; and

Cisco Systems

(CSCO) - Get Cisco Systems, Inc. Report

, down 33 cents to $26.46.