By news@appleinsider.com (Malcolm Owen) Apple is Berkshire Hathaway’s second of “Four Giants” defining the investment firm’s value, Warren Buffett has outlined, with the iPhone maker only behind a “cluster of insurers” in importance.Warren Buffett is closely affiliated with Berkshire Hathaway’s ownership of part of Apple, and is a great admirer of the tech giant. In an …

Source:: Apple Insider