... practices the lack of historical knowledge is the one that causes the most damage. Consider, for example, the principals of Long TermCapital Management, whose ignorance of the vagaries of financial ... time. For this generation, the horses arealready out of the barn, and it may be another 30 years the typicalLet’s get a bit of nomenclature out of the way. When you and I pur-chase shares of ... they can virtually disappear. For example, at the turn of the lastcentury, railroad companies constituted most of the U.S. market’s totalvalue. But by 1 950 , they had been devastated by the automobile...