Police say they have arrested a 47-year-old man suspected of killing three former co-workers at a Silicon Valley technology company.

Police conducted a manhunt Saturday for a disgruntled engineer who allegedly gunned down three people at his former office building in Santa Clara.

Police were searching Saturday for a disgruntled engineer who allegedly gunned down three people at his former office building in Santa Clara a day earlier.

Police say a laid-off worker returned to his former office in Northern California and fatally shot three people.

Police say a gunman killed three people at a Northern California office park and is still at large.

Intel Corp. is warning that its fourth-quarter revenue will be sharply lower than it had expected.

Chip maker Marvell Technology Group Ltd. said Monday that it expects fiscal 2009 third-quarter revenue to fall below previous forecasts.

Andy Bechtolsheim, a revered technologist who co-founded Sun Microsystems Inc. and has been instrumental in designing the company’s servers, is stepping down from his day-to-day role to help build a new networking startup.

Security software maker McAfee says it is buying network security company Secure Computing in a deal valued at $465 million.

National Semiconductor Corp., which makes chips that regulate power and perform other functions in gadgets, reported Friday its first-quarter profit fell 7 percent from a year ago due to a higher tax rate.