CHART OF THE DAY: Apple's Stock Gets Rocked By Carl Icahn

Apple’s stock jumped 4.75% today after activist investor Carl Icahn tweeted that he’s long Apple stock. His tweet added over $US17 billion in market cap to Apple.

He reportedly bought $US1 billion worth of Apple, and is urging the company to do more stock buybacks because he thinks it’s undervalued right now.

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