Shares of Akamai Technologies ( AKAM - Get Report) were among technology's winners Thursday, jumping 18% after the software maker posted better-than-expected fourth-quarter results.

The company earned $25.8 million, or 16 cents a share, on sales of $82.7 million. "Normalized" earnings, which exclude various items, were $26.2 million, or 16 cents a share. Analysts surveyed by Thomson First Call expected earnings of 15 cents a share and sales of $79.1 million. During the year-earlier period, the company earned $13.4 million, or 10 cents a share, on sales of $57.6 million. "2005 was the best year in the history of Akamai as we demonstrated the power of the Akamai business model by delivering strong revenue growth, high profit margins, sustained cash flow, and increasing profitability," the company said. Shares were trading up $4.07 to $26.07.

Shares of Amkor Technology ( AMKR - Get Report) soared 25% after the contract semiconductor-assembly company swung to a fourth-quarter profit and predicted that first-quarter results would top forecasts. The company earned $54 million, or 30 cents a share, on sales of $643.5 million. Results included a tax benefit of $9.9 million, a gain of $4.4 million related to the sale of Amkor Test Services and a charge of $3.3 million related to severance and separation costs. Analysts expected earnings of 12 cents a share and sales of $624.8 million. During the year-earlier period, the company reported a loss of $36 million, or 21 cents a share, on sales of $453.3 million.

For the first quarter, Amkor expects earnings of 10 cents to 14 cents a share. The company anticipates a sequential sales decline of 3% to 5%, which implies sales of $611 million to $624 million. Analysts project a loss of 1 cent a share on sales of $583.5 million. Amkor shares recently advanced $1.44 to $7.20.

TTM Technologies ( TTMI - Get Report) climbed 19% after the supplier of printed circuit boards posted a fourth-quarter profit and first-quarter guidance that were better than Wall Street expected. The company earned $19 million, or 46 cents a share, including a gain of 31 cents a share related to the reversal of a valuation allowance. Excluding the gain, the company earned 15 cents a share, above analysts' projection of 13 cents. The company posted sales of $63.1 million, beating Wall Street's forecast for sales of $61.9 million. During the year-earlier period, the company earned $6.8 million, or 16 cents a share, on sales of $59.2 million. Year-ago results included a 2-cent gain related to a reversal of the valuation allowance.

Looking ahead, TTM Technologies sees first-quarter earnings of 16 cents to 20 cents a share, with sales of $67 million to $71 million. TTM expects to record about $300,000 in stock-based compensation expense during the first quarter. Analysts project earnings of 12 cents a share and sales of $61.1 million. Shares were trading up $2.01 to $12.64.

Shares of Agilysys ( AGYS - Get Report) slumped 16% after the computer distributor posted third-quarter results that failed to meet Wall Street forecasts. The company earned $15.2 million, or 49 cents a share, on sales of $532.2 million. Analysts expected earnings of 55 cents a share and sales of $548.9 million. During the year-earlier quarter, the company earned $14.2 million, or 42 cents a share, on sales of $515.7 million. Shares were trading down $3.11 to $16.91.

Arris Group ( ARRS) climbed 20% after the telecom technology company posted better-than-expected fourth-quarter earnings and offered first-quarter guidance that topped estimates. The company earned $22 million, or 20 cents a share, on sales of $181.3 million. Excluding items, the company earned $25.6 million, or 24 cents a share. Analysts expected earnings of 19 cents a share and sales of roughly $183 million. During the year-earlier period, the company reported a loss of $600,000, or 1 cent a share, on sales of $129.5 million.

For the first quarter, Arris now sees earnings of 17 cents to 21 cents a share, or 19 cents to 23 cents a share excluding stock-based compensation expense. The company predicts sales of $185 million to $200 million. Analysts project earnings of 16 cents a share and sales of $179.1 million. Shares were trading up $2.20 to $13.39.

Axcelis Technologies ( ACLS - Get Report) also posted fourth-quarter results that came in ahead of expectations, sending shares up 23%. The maker of semiconductor processing equipment reported a loss of $1.3 million, or 1 cent a share, compared with a year-earlier profit of $7 million, or 7 cents a share. Excluding restructuring costs of $1.7 million, or 2 cents a share, the company would have earned a penny a share during the latest quarter. Wall Street expected a loss of 3 cents a share. The company's sales fell to $92.9 million from $94.5 million, but beat analysts' forecast of $90 million.

Looking ahead, Axcelis Technologies sees first-quarter sales of $90 million to $100 million. Analysts project sales of $90.4 million. Shares were trading up $1.46 to $7.82.

Other technology movers included Cisco Systems ( CSCO - Get Report), up 55 cents to $19.95; Intel ( INTC - Get Report), up 53 cents to $21.20; Oracle ( ORCL), up 7 cents to $12.64; Sirius Satellite Radio ( SIRI), down 13 cents to $5.85; Vitesse Semiconductor ( VTSS), up 37 cents to $3.24; Microsoft ( MSFT), down 6 cents to $26.85; Applied Materials ( AMAT), up 52 cents to $20.62; Lucent Technologies up 4 cents to $2.74; Sun Microsystems ( SUNW), down 1 cent to $4.37; JDSU ( JDSU), up 5 cents to $3.04; and Apple Computer ( AAPL), down $1.12 to $67.69.