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"Perhaps the single greatest concern for\u00A0Apple investors is the company&amp;#039;s ability to defend its margin moving forward. While some have expressed worries that the introduction of a cheap iPhone"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/06/12/apple-margins-cheap-iphone-saves-the-day/20619832/>