Usually, a GPS tracker transmits its position using a radio or mobile-phone connection.

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Or buy the tracker and then fan out with stock picks, breaking bits off the ETF position to get actual, single stock exposure.

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"Their relative position versus Nvidia has improved compared to six months ago, " says Dean McCarron, president of chip tracker Mercury Research.

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"Their relative position versus Nvidia has improved compared to six months ago, " says Dean McCarron, president of chip tracker Mercury Research. amd is also building ati's graphics capabilities into a new CPU that may see the light of day in the second half of 2009.

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