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updated 10:00 PM EST 12.28.12
AAPL tumbles to 10-month low, down 27 percent from peak
As AAPL shares lost another percentage point on Friday to close the week at a 10-month low, investors point to a number of factors behind the sell-off, which has seen the stock lose 27 percent of its value since an all-time peak price of $705.07 in September. While the stock is still up for the year (about 25 percent), factors ranging from worries about the so-called "fiscal cliff" to fears that the company's popularity is cooling off may be spooking investors.