Shares of Agere Systems ( AGR) were among technology's winners Monday, jumping 11% after the chipmaker agreed to be acquired by LSI Logic ( LSI) for $4 billion in stock.

Agere shareholders will receive 2.16 shares of LSI for each share they hold. The deal values Agere at $22.81 a share, a 28% premium over the company's closing price of $17.79 on Friday. The deal is expected to close during the first quarter of 2007. Shares of Agere were trading up $1.93 to $19.72; shares of LSI tumbled $1.24, or 12%, to $9.32.

SimpleTech ( STEC) shares surged 17% after the flash-memory concern boosted its fourth-quarter forecast. The company now sees earnings of 17 cents to 18 cents a share, up from an earlier view of 15 cents to 16 cents. SimpleTech also lifted its revenue projection to $105 million to $107 million from a prior view of $95 million to $100 million. Analysts polled by Thomson First Call have an average estimate for earnings of 15 cents a share and revenue of $97.7 million.

SimpleTech attributed the higher guidance to strong performance in its original equipment manufacturer and consumer divisions. Shares were adding $1.57 to $10.35.

Shares of En Pointe Technologies ( ENPT) fell 6% after a big run Friday. The stock more than doubled Friday after the provider of IT services said it swung to a fourth-quarter profit. Shares recently were down 33 cents to $4.99.

Nam Tai Electronics ( NTE) slid 3.5% after the electronics-manufacturing services company named a new chief executive. Warren Lee will replace Patinda Lei, who was named CEO and chief financial officer in January. Lei will continue to serve as financial chief until a replacement is found. Nam Tai shares were trading down 57 cents to $15.61.

Other technology movers included Intel ( INTC), up 23 cents to $21.16; Microsoft ( MSFT), up 23 cents to $29.35; Cisco Systems ( CSCO), up 42 cents to $27.11; Oracle ( ORCL), up 12 cents to $18.93; Apple Computer ( AAPL), down 40 cents to $90.92; Sirius Satellite Radio ( SIRI), down 5 cents to $4.20; Sun Microsystems ( SUNW), up 4 cents to $5.43; and Level 3 Communications ( LVLT), up 5 cents to $5.50.

More from Stocks

Danica Patrick's Final Race at 2018 Indianapolis 500: What She Thinks About Cars

Danica Patrick's Final Race at 2018 Indianapolis 500: What She Thinks About Cars

Why The FANG Stocks' Dominance May Not Be So Bad For The Market

Why The FANG Stocks' Dominance May Not Be So Bad For The Market

At End of May, Investors Signalling They May Stay Away

At End of May, Investors Signalling They May Stay Away

Inside Carnival's Mind Blowing New Horizon Cruise Ship (Video)

Inside Carnival's Mind Blowing New Horizon Cruise Ship (Video)

Neel Kashkari: The Heart of Our Financial System Is More Radioactive Than Ever

Neel Kashkari: The Heart of Our Financial System Is More Radioactive Than Ever