This book provides a solid theoretical framework around which to build practical knowledge of securities and securities markets. The authors, including a Nobel Prize winner and a full-time practitioner, offer a balanced presentation of theory and practice as they explain to students the essentials of prominent investment concepts. Just as importantly, they illustrate how those concepts are applied by professional investors. The Sixth Edition distills the growing complexity of the investment environment, enumerating and describing today's various securities and markets in a clear, concise manner and integrating discussions of new investment management techniques.* NEW-Features a new chapter on efficient markets, discussing the notion of market efficiency that underlies much of the current thinking about the world of investing. * NEW-Institutional Issues boxes that illustrate how concepts are applied in the real world. These boxes profile issues that face large institutional investors, such as pension funds and mutual funds. * NEW-Adds to end-of-chapter problem sets and CFA examination questions to offer a better opportunity to learn the material and prepare for the CFA examination