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Updated from 1:18 p.m. EST

Shares of


( ARBA) were among technology's winners Monday, rising 16.4% after the company said that it settled a patent infringement suit with



on favorable terms.

A week after being found liable for infringing three patents, Ariba said it will pay $37 million to ePlus, a software company, during the second quarter, which ends March 31. ePlus had originally claimed royalty damages of $76 million to $98 million, and the judge had the right to award ePlus three times the actual damages awarded. The settlement, however, ends all litigation and dismisses the case in its entirety. What's more, Ariba and ePlus entered into a cross-licensing agreement, "which will ensure that Ariba's customers and partners will be unaffected by ePlus' infringement claims against Ariba," according to Ariba. Shares of Ariba traded up $1.36 to $9.63.

Cypress Semiconductor


fell 3.7% after the company threw in the towel on its MRAM commercialization plans. The company said that it would sell its Silicon Magnetic Systems subsidiary and remove it from its books by the end of the first quarter. Cypress said that its decision to sell the unit was based on its belief that the 1T-1MTJ MRAM technology would not be able to successfully attack the SRAM market, meaning that MRAM would be a niche technology with higher bit pricing than SRAM. "While a niche MRAM business could have been a profitable addition to Cypress' portfolio of products, we currently have more attractive places to invest than in the capital-intensive MRAM business," Cypress said. Shares traded down 51 cents to $13.19.

Shares of

Taser International


rose 7.6% after the company received four orders for its stun guns. Three of the orders came from police departments in the United States and were of the follow-on variety. The fourth order came from the Singapore National Police Force, which placed an initial order for 126 Taser X26 devices. In all, the orders totaled more than $675,000. Shares traded up $1.03 to $14.51.

Magal Security Systems


fell 7.8% after the maker of computerized security systems posted a fourth-quarter decline in both earnings and sales. The company earned $442,000, or 5 cents a share, on sales of $17 million. A year ago Magal earned $529,000, or 6 cents a share, on sales of $17.7 million. Shares traded down 87 cents to $10.24.

Shares of

Copper Mountain Networks


rose 26.4% after the company agreed to be acquired by

Tut Systems

( TUTS) for about $10 million in stock. As part of the deal, Tut will issue 2.5 million shares of its stock to Copper Mountain shareholders. The acquisition of Copper Mountain is expected to provide Tut with additional product and engineering resources that will allow Tut to address the expanding IPTV market. Tut said that it would retain certain Copper Mountain employees from development centers in San Diego and Palo Alto, Calif., and that it would retain Copper Mountain's San Diego facility. Shares of Copper Mountain traded up 28 cents to $1.34.

Other technology movers included

Altair Nanotech


, up 55 cents to $4.95;


( LU), up 5 cents to $3.41;



, up 27 cents to $17.97;



, up 4 cents to $26.01;



, up 14 cents to $24.31;


( MCIP), down 82 cents to $19.93; and



, up $5.59 to $192.99.