Apple (NASDAQ:AAPL) is a manufacturer most noted for its signature handset, the iPhone, and tablet, the iPad, which both run Apple's mobile operating system, iOS. iOS is the second largest mobile operating system with over a 39 percent market share in the U.S, according to comScore. In addition, Apple controls 39.2 percent of the smartphone market, as of April 2013, according to comScore.

Apple sold 37.4 million iPhones and 19.5 million iPads in its fiscal 2013 second quarter.  Apple's latest products include the iPhone 5, iPad mini and iPad 3. Apple's foray into the digital music industry includes its iPods and iTunes online store.  Apple also operates the Apple App Store, the storefront for iOS apps. Its current CEO is Tim Cook.