In this revised edition of his classic book, The Prudent Speculator, Al Frank discusses his investment philosophy and reveals precisely how he goes about picking stocks and managing a portfolio. In addition, he provides advice on an important, but often neglected, subject: the psychological aspects of investing. Franks rigorous, value based methods have proven themselves over and over again. Specific topics include: The four cardinal principles of investment; Identifying undervalued companies; Managingyour stock portfolio; The myths and magic of margin; The Tao of investing.