Knowing where to look for the best investments and how to think about investing is more important than being a specialist in a particular sector or industry according to a transcript of Joel Greenblatt's Special Situation Investing Classes at Columbia University Business School. Sign up now and get our in-depth FREE e-books on famous investors like Klarman, Dalio, Schloss, Munger Rupert is a committed value investor and regularly writes and invests following the principles set out by Benjamin Graham. He is the editor and co-owner of Hidden Value Stocks, a quarterly investment newsletter aimed at institutional investors.