Given the array of exotic alternative investments being sold to the public, it’s logical that many investors often don’t understand what they are buying. What is even scarier is that it is likely their professional investment adviser doesn’t understand the alternative investment either. Investment advisers ? 75 percent of them ? admit they do not understand alternative investments. Notwithstanding their puzzlement, 50 percent of advisers said they intend to increase their use of them in their clients’ accounts this year. They could use some help, however, because of alternative investments are so confusing. (“Alternatives spur anxiety,” InvestmentNews).