Someone who is using information outside the efficient markets hypothesis: while auditing a dishonest company realizes that its profit estimates are greatly inflated and immediately sells her stock in the company. hears a rumor that a top bank may be in trouble and decides to sell his stock in that company. has information about the aging U.S. population and expects stock for companies that cater to senior citizens to increase in value. reads in the newspaper about a merger between two profitable firms and expects the stock prices for these companies to rise