If any one is curious about the source of this aphorism: > To prove that Wall Street is an early omen of movements still to come in GNP, commentators quote eco

If any one is curious about the source of this aphorism: > To prove that Wall Street is an early omen of movements still to come in GNP, commentators quote economic studies alleging that market downturns predicted four out of the last five recessions. That is an understatement. Wall Street indexes predicted nine out of the last five recessions! And its mistakes were beauties.[20] * https://en.wikipedia.org/wiki/Paul_Samuelson#Aphorisms_and_quotations https://en.wikipedia.org/wiki/Paul_Samuelson#Aphorisms_and_q...