Updated from 12:44 p.m. EDT

Shares of

Lowrance Electronics

(LEIX)

were among technology's losers Tuesday, falling 10.4% after the company posted a year-over-year decline in third-quarter earnings.

The maker of global positioning system products earned $6.4 million, or $1.25 a share, on sales of $53.2 million. A year ago, the company earned $6.7 million, or $1.69 a share, on sales of $46.3 million. Gross margins, meanwhile, fell to 40% from 45% a year ago. The company also announced a 5-cent increase to its dividend, to 30 cents a share, which will be payable on June 17 to shareholders of record as of June 10. Shares traded down $2.40 to $20.75.

Tibco Software

(TIBX)

traded actively after the company warned that its second-quarter earnings and sales would fall below expectations. The software maker expects pro forma earnings of 4 cents a share on sales of $100 million to $102 million. The company expects license revenue of $40 million to $42 million. Analysts polled by Thomson First Call had been expecting earnings of 6 cents a share on sales of $108 million. Tibco blamed the shortfall on a delay in closing several large deals. Shares, after falling by as much as 12% early in the trading session, ended the day up 1 cent to $6.34.

Shares of

Applied Digital

( ADSX) rose 1.3% after the company said it hired Raymond James as its financial advisor. Raymond James will assist the company in exploring strategic alternatives aimed at maximizing shareholder value. "By retaining a firm of Raymond James' caliber, we now move to the next level and look for further ways to maximize shareholder value through a strategic analysis of our company and its major assets," the company said. Shares traded up 5 cents to $3.82.

Magal Security

(MAGS) - Get Report

rose 5.6% after the company signed two contracts totaling more than $13 million. The contracts call for the installation of security solutions at two sensitive sites, one based in Africa and one in Europe. The installations, which begin during the third quarter of 2005, should be completed by the end of 2006, the company said. Shares traded up 51 cents to $9.62.

Shares of

Novellus Systems

(NVLS)

rose 3% after the semiconductor equipment maker lifted its second-quarter earnings forecast. The company now expects earnings of 20 cents to 22 cents a share, up from previous guidance of 17 cents to 20 cents a share. Sales, meanwhile, are now expected to be between $325 million and $330 million. Previously, the company said that it would post sales of $320 million to $330 million. Analysts had been expecting earnings of 19 cents a share on sales of $326.3 million. Shares traded up 77 cents to $26.69.

Other technology movers included

Intel

(INTC) - Get Report

, down 43 cents to $26.96;

Cisco Systems

(CSCO) - Get Report

TheStreet Recommends

, down 39 cents to $19.40;

Sirius Satellite Radio

(SIRI) - Get Report

, up 4 cents to $6.01;

Microsoft

(MSFT) - Get Report

, down 27 cents to $25.80;

Sprint

( FON), up 43 cents to $23.69;

Oracle

(ORCL) - Get Report

, down 5 cents to $12.80;

Applied Materials

(AMAT) - Get Report

, down 23 cents to $16.42;

Sun Microsystems

(SUNW) - Get Report

, down 6 cents to $3.81;

Lucent Technologies

( LU), down 2 cents to $2.81;

Google

(GOOG) - Get Report

, up $11.27 to $277.27; and

Tibco Software

(TIBX)

, up 1 cent to $6.34.