Thanks to iPod, Apple's Rolling in Gravy While saying grace over the holiday spread, Apple executives might toss in a "thank you" for an influential analyst whose rosy report on iPod's ability to spur sales helped drive the company's stock up to a four-year high. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-washingtonpost.com&lt;/b&gt;&lt;/font&gt;