Today's Tech Winners and Losers

Diodes(DIOD Quote) also increased its first-quarter forecast, sending its shares up 5%. The maker of semiconductor components now expects its gross profit dollars to grow by 10% to 12% on a sequential basis, up from an earlier view of 8% to 11%. "An increase in gross profit margin from analog products was the primary contributor to the gross profit update," the company said. Diodes said it now sees sales growth of 18% to 20% on a sequential basis, up from a previous estimate of 16% to 20%. The new guidance implies first-quarter sales of $72.5 million to $73.7 million. Analysts project sales of $72.4 million. Shares recently changed hands at $37.23, up $1.83.

Shares of Intuit(INTU Quote) rose 7% after the software company raised its third-quarter earnings and sales forecasts. The company now sees adjusted earnings, which exclude one-time items, of $1.64 to $1.68 a share, or earnings growth of 6% to 9%. The company now predicts sales growth of 5% to 8%, or sales of $880 million to $900 million. Previously, the company forecast 5% to 8% earnings growth and sales growth of 3% to 5%. "With two more weeks of strong TurboTax sales -- especially TurboTax Online -- the tax season is turning out better than we expected," the company said. Shares were up $3.22 to $51.73.

Other technology movers included JDSU(JDSU Quote), up 13 cents to $3.88; Sun Microsystems(SUNW Quote), up 23 cents to $4.58; Sirius Satellite Radio(SIRI Quote), up 18 cents to $4.95; Oracle(ORCL Quote), unchanged at $12.86; Intel(INTC Quote), up 3 cents to $20.04; Lucent Technologies(LU Quote), down 4 cents to $2.84; Microsoft(MSFT Quote), up 1 cent to $27.26; Cisco Systems(CSCO Quote), down 21 cents to $20.65; Lexar Media(LEXR Quote), up 11 cents to $8.94; Apple Computer(AAPL Quote), down 49 cents to $65.17; and Applied Materials(AMAT Quote), up 15 cents to $18.03.