Shares of

Dell

(DELL) - Get Report

were among technology's winners Wednesday, jumping 10% after the computer giant posted better-than-expected third-quarter earnings.

For the period ended Nov. 3, Dell earned $677 million, or 30 cents a share, on revenue of $14.4 billion. Analysts polled by Thomson First Call expected earnings of 24 cents a share and revenue of $14.44 billion. During the year-earlier quarter, the company earned $606 million, or 25 cents a share, on revenue of $13.91 billion.

Dell called the results preliminary because of the

Securities and Exchange Commission's

previously announced investigation into the company's accounting and financial reporting practices. Shares of Dell were trading up $2.41 to $27.23.

Brocade Communications Systems

(BRCD)

rose 9% after the storage-area networks company's fourth-quarter results topped forecasts. For the period ended Oct. 28, the company earned $20 million, or 7 cents a share. Excluding items, Brocade earned 15 cents a share, beating analysts' estimate by 3 cents. Revenue totaled $208.8 million, compared with Wall Street's forecast of $203.5 million. During the year-earlier quarter, the company posted earnings of $1.1 million, or less than a penny a share, on revenue of $145.5 million. Excluding items, year-ago earnings were $19 million, or 7 cents a share. Shares were trading at $9.24, up 75 cents.

Shares of

Cray

(CRAY) - Get Report

soared 30% after the maker of supercomputers received a $250 million award to develop a new supercomputer system for the U.S. Defense Advanced Research Projects Agency. Cray will develop a hybrid system architecture using a new high-performance network and adaptive software that is combined into a single integrated system, the company said. "Designed to efficiently scale to large numbers of processors, the system will maximize productivity and performance by automatically matching the most effective processor technology to each application," Cray said. Shares were up $2.97 to $12.89.

Tekelec

( TKLC) shares fell modestly after the telecom-equipment company announced the retirement of its chairman. Jean-Claude Asscher will retire from the company on Dec. 31. Asscher, who has held the position since 1972, will be replaced by Mark Floyd, who has served as vice chairman since February. Shares were trading down 6 cents to $16.26.

Other technology movers included

Lucent Technologies

( LU), down 1 cent to $2.59;

Sun Microsystems

(SUNW) - Get Report

, up 7 cents to $5.61;

Microsoft

(MSFT) - Get Report

, down 2 cents to $29.90;

Intel

(INTC) - Get Report

, up 3 cents to $21.60;

Cisco Systems

(CSCO) - Get Report

, up 2 cents to $26.82;

Sirius Satellite Radio

(SIRI) - Get Report

, up 5 cents to $4.02;

BEA Systems

( BEAS), up 69 cents to $13.91;

Oracle

(ORCL) - Get Report

, up 11 cents to $19.59;

Apple Computer

(AAPL) - Get Report

, down 35 cents to $88.25; and

Applied Materials

(AMAT) - Get Report

, up 3 cents to $18.24.