Better Times for Marvell Technology?

The communications chip maker reports a jump in fourth-quarter sales and gets an upgrade from an analyst

Marvell Technology Group (MRVL) says its sales rose during recent months, as the Santa Clara company integrated the $600 million Xscale communications-chip business it had bought from its rival Intel (INTC). After the news, investors bid up Marvell stock by more than 3% to $20.46 in heavy volume on Feb. 27 -- bucking the downward spiral in the stock market that day.

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