Updated from 1:39 p.m. EST

Shares of

Nvidia

(NVDA) - Get Report

were among the best-performing technology stocks Friday, rising 14.5% after the company turned in solid third-quarter earnings and sales and said that fourth-quarter sales would be above analysts' expectations.

The maker of graphics chips earned 15 cents a share on sales of $515.6 million during the third quarter. Analysts polled by Thomson First Call were expecting earnings of 9 cents a share on sales of $509.2 million. Looking ahead, Nvidia expects fourth-quarter sales to be in line with or slightly higher than third-quarter results. Analysts had been expecting sales of $500.4 million. Shares traded up $2.23 to $17.64.

Conexant Systems

(CNXT) - Get Report

fell 9.1% after the company posted a sequential sales decline during the fourth quarter and warned that first-quarter results would fall below expectations. Excluding items, the chipmaker posted a loss of 2 cents a share on sales of $213.1 million. Analysts were expecting a loss of 5 cents a share on sales of $210.9 million. Conexant said excess inventory from lower-than-expected demand caused the sequential sales downfall. Looking ahead, Conexant forecast a first-quarter pro forma loss of 6 cents to 7 cents a share on sales of $175 million to $185 million. Analysts had been expecting a loss of 2 cents a share on sales of $210.2 million. Shares traded down 16 cents to $1.60.

Shares of

Zix

(ZIXI) - Get Report

fell 8.6% after the company posted weak third-quarter results. Excluding a one-time charge, the provider of e-messaging and e-prescribing applications posted a loss of 32 cents a share on sales of $3.9 million. Analysts were expecting a smaller loss of 27 cents a share on sales of $4.2 million. Weak sales of its antispam and Web-filtering products contributed to the third-quarter sales shortfall. Shares traded down 39 cents to $4.16.

ValueClick

(VCLK)

rose 14% after the company posted strong third-quarter results and said that fourth-quarter results would be above expectations. The online advertising company earned 9 cents a share on sales of $43.5 million. Analysts were expecting earnings of 6 cents a share on sales of $38 million. Looking ahead, the company expects to earn 10 cents a share on sales of $47 million. Analysts had been expecting earnings of 9 cents a share on sales of $42.5 million. Shares traded up $1.34 to $10.91.

Shares of

Cray

(CRAY) - Get Report

fell 7.8% after the company posted third-quarter earnings results that fell below expectations and warned that full-year sales would be significantly below expectations. Excluding items, the supercomputer company posted a third-quarter loss of 21 cents a share on sales of $45.9 million. Analysts were expecting a loss of 8 cents a share on sales of $51.5 million. Looking ahead, Cray now expects full-year sales of $155 million to $165 million, below its previous guidance of under $200 million. Analysts had been expecting sales of $187.3 million. Cray blamed the revenue shortfall on a parts shortage, which will not allow it to ship enough new systems. Shares traded down 27 cents to $3.18.

Other technology volume leaders included

Microsoft

(MSFT) - Get Report

, up 31 cents to $29.31;

Intel

(INTC) - Get Report

, up 48 cents to $23.36;

Cisco

(CSCO) - Get Report

, up 45 cents to $19.97;

Sun Microsystems

(SUNW) - Get Report

, up 17 cents to $4.79;

Sirius Satellite Radio

(SIRI) - Get Report

, up 1 cent to $3.93;

Lucent

( LU), unchanged at $3.58; and

Oracle

(ORCL) - Get Report

, up 7 cents to $13.17.