Sept. 6, 2011 - Cupertino, California - U.S. - A security vehicle drives through the parking lot at the Apple Inc. world headquarters Monday September 5, 2011. Apple is one of the worlds most valuable companies by market capitalization and recently eclipsed Exxon Mobile with a Market worth of about $349.32 billion. Iconic CEO Steve Jobs resigned on August 24, 2011, and the Board named Tim Cook, previously Apple's Chief Operating Officer, as the company's new CEO. (Credit Image: Alan Greth/ZUMAPress.com).