In this video, as part of The Motley Fool's Ask a Fool series, Motley Fool One analyst Jason Moser takes a question from a Fool reader, who asks, "Does Carl Icahn's recent tweet that he has a "large stake" in Apple (AAPL +1.38%) cause you any concern?"
*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.
Invest better with The Motley Fool. Get stock recommendations, portfolio guidance, and more from The Motley Fool's premium services.
Should you be worried when big name investors take large positions in companies you're invested in?
