Which of the following is NOT true (could be more than one): Dual class stock refers to firms with both common and preferred stock outstanding 6 if the stock markets are semi-strong efficient, stock prices reflect all historic and current public information about a firm but prices do not reflect inside information A participating preferred stock has a fixed dividend payment every year Individuals and households indirectly invest in corporate stock through investments in mutual funds and pension funds If all preferred dividend payments that have been missed must be paid before any common stock dividend can be paid, the preferred stock is called cumulative preferred stock