The stock market is but a mirror which provides an image of the underlying or fundamental economic situation. Cause and effect run from the economy to the stock market, never the reverse. In 1929 the economy was headed for trouble. Eventually that trouble was violently reflected in Wall Street.
John Kenneth GalbraithWhat is called a high standard of living consists, in considerable measure, in arrangements for avoiding muscular energy, for increasing sensual pleasure and enhancing caloric intake above any conceivable nutritional requirement.
John Kenneth Galbraith