With JC Penny being a very well known name in retail, it's not such a stretch that they would have a mighty high PageRank and favorable organic search results for many shopping related keywords.
But, beginning sometime last Fall and leading up through the holiday shopping season, JC Penny was nearly exclusively turning up in the top spot for shopping search words on just about anything you could imagine. The New York Times looked into it and uncovered The Dirty Little Secrets of Search.