Margo uses the Dow Jones Theory to anticipate the movement in stock market prices. She believes that bull and bear markets are predictable when certain trends develop. What statement regarding trends in the stock market is NOT in keeping with the Dow Jones theory? a) A major trend can last for many months or several years. b) A change in market direction occurs when one of the market averages reverses itself. c) A steady increase in certain market averages at the same time signals the beginning of a bear market. d) A minor trend reflects the day-to-day fluctuations in stock prices