“We remember reading in 1916, when U. S. Steel sold up around $136 a share, a prediction that it was going to sell up to $1000 a share. Probably many people who read such news items consider them seriously. Of course, that was a most exaggerated prediction, but during the extreme activity of a bull market, it seems that nearly everybody is talking in exaggerated terms of optimism. That is why most traders seldom ever take their profits in a bull market. They wait until stock prices start to come down, and then they are likely to think there will be rallies, and keep on waiting until they lose all their profits.””