Through the Years: Constant Themes in Buffett's Letters

One of the benefits of attending the Berkshire Hathaway (NYSE: BRK-B  ) shareholders' meeting is learning from the great value investors and Buffettologists who also make the yearly trek to Omaha. In this multipart series, Fool analyst Rex Moore speaks with Lawrence Cunningham, author of The Essays of Warren Buffett: Lessons for Corporate America. The book offers a unique approach by arranging all of Buffett's shareholder letters thematically, rather than chronologically.

Today, Professor Cunningham explains which themes have remained constant in these letters throughout the years.

What about the stock?
Thanks to the savvy of investing legend Warren Buffett, Berkshire Hathaway's book value per share has grown a mind-blowing 586,817% over the past 48 years. But with Buffett aging and Berkshire rapidly evolving, is this insurance conglomerate still a buy today? In The Motley Fool's premium report on the company, Berkshire expert Joe Magyer provides investors with key reasons to buy as well as important risks to watch out for. Click here now for instant access to Joe's take on Berkshire!

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