Ben's Mr. Market allegory may seem out-of-date in today's investment world, in which most professionals and academicians talk of efficient markets, dynamic hedging and betas. Their interest in such matters is understandable, since techniques shrouded in mystery clearly have value to the purveyor of investment advice. After all, what witch doctor has ever achieved fame and fortune by simply advising 'Take two aspirins'?
Warren BuffettThe great personal fortunes in the country weren't built on a portfolio of fifty companies. They were built by someone who identified one wonderful business. With each investment you make, you should have the courage and the conviction to place at least 10% of your net worth in that stock.
Warren Buffett