Shares of Kronos ( KRON) were among technology's winners Friday, jumping 14% after the software company agreed to be acquired by private equity firm Hellman & Friedman Capital Partners for about $1.8 billion, or $55 a share.

The all-cash deal represents an 18% premium over Thursday's closing price of $46.63. "We are pleased to announce this agreement, which represents the culmination of a thorough review of our standalone plan and strategic alternatives," Kronos said. The deal is expected to close during the fourth quarter of fiscal 2007. Shares of Kronos were recently trading up $6.33, to $52.96.

Bookham ( BKHM) slumped 10% after the telecom-equipment company said it will sell about 13.6 million shares of stock for $28.6 million in a private placement. The company will also issue warrants to buy about 4.1 million shares of stock. The warrants will have an exercise price of $2.80 a share. Bookham plans to use proceeds from the offering to fund its working capital needs. Shares were trading down 25 cents, to $2.10.

Shares of Bell Fuse ( BELFB) soared 20% after Technitrol ( TNL) offered to buy the company for about $480 million in cash, or $40.30 a share. The price, if Bell Fuse agrees to the offer, represents a 21% premium to Bell Fuse's closing price of $33.24 on Thursday.

"We believe that we are offering compelling value to Bel Fuse's shareholders," Technitrol said. "And we are excited about the opportunities that the merged company will offer Technitrol's shareholders, customers and employees." Technitrol said that it has made several attempts over the past three months to buy Bell Fuse, but Bell Fuse has rebuffed the offers each time. Bell Fuse, according to Technitrol, said that it would "rather remain independent." Shares of Bell Fuse were recently trading up $6.71, to $39.95.

Synnex ( SNX) jumped 12% after the information technology supply-chain services company posted better-than-expected fiscal first-quarter earnings and forecast second-quarter earnings ahead of expectations. For the quarter ended Feb. 28, the company earned $13.9 million, or 43 cents a share, on revenue of $1.59 billion. Analysts polled by Thomson First Call expected earnings of 40 cents a share on revenue of $1.61 billion. During the year-earlier quarter, the company earned $10.7 million, or 34 cents a share, on revenue of $1.5 billion.

Looking ahead, Synnex sees second-quarter earnings of 43 cents to 45 cents a share on revenue of $1.6 billion to $1.65 billion. Analysts project earnings of 41 cents a share on revenue of $1.62 billion. Shares were trading up $2.29, to $22.03.

Vonage ( VG) sank 6% after the telco was slapped with an injunction Friday. The federal court ruling, which comes two weeks after a jury found Vonage had infringed on three Verizon ( VZ) patents, bars Vonage from using some of the technologies involved with its voice-over-the-Internet service. Vonage pledged to appeal. Shares were trading down 25 cents, to $3.80.

Other technology movers included CMGI ( CMGI), down 1 cent to $2.17; Microsoft ( MSFT), down 19 cents to $28.08; Sun Microsystems ( SUNW), down 3 cents to $6.28; Cisco Systems ( CSCO), down 1 cent to $26.38; Komag ( KOMG), up $1.05 to $33.85; Oracle ( ORCL), up 7 cents to $18.56; and Intel ( INTC), up 9 cents to $19.25.

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