An Apple logo is seen during Black Friday in San Francisco, California in this file photo from November 29, 2013. Apple Inc missed Wall Street's target for iPhone sales over the crucial holiday ... more 
An Apple logo is seen during Black Friday in San Francisco, California in this file photo from November 29, 2013. Apple Inc missed Wall Street's target for iPhone sales over the crucial holiday shopping season and offered a weaker-than-expected forecast for this quarter, sending its shares down 6 percent after hours January 27, 2014. REUTERS/Stephen Lam/Files (UNITED STATES - Tags: BUSINESS LOGO) less 
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Reuters | Photo By STEPHEN LAM / REUTERS
Mon, Jan 27, 2014 5:28 PM EST