Tim Cook, CEO, Apple
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Apple shares extended losses Thursday, falling more than 3 percent after activist investor Carl Icahn said he sold his stake in the company.
Apple shares intraday
Icahn held a 0.8 percent stake as of Dec. 31, before selling his stake.
Apple's stock has taken a tumble this week, falling nearly 9 percent, on the heels of weaker-than-expected quarterly results, which led to a slew of analysts cutting their price targets.
Correction: A previous headline misspelled Icahn.