By Justin Menza and Cadie Thompson
Billionaire investor Carl Icahn revealed on Twitter that he's taken a "large position" in Apple.
"We believe the company to be extremely undervalued," Icahn said Tuesday.
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Henny Ray Abrams/AP
Carl Icahn Takes a Shine to Apple
APPLE
Apple has a new cheerleader. Famed investor Carl Icahn says he has taken a large position on Apple, and says he think it is undervalued.
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