american stock exchange
American Stock Exchange. An organized stock exchange and self-regulating organization under the Securities Exchange Act of 1934, located in New York City and engaged in national trading of corporate stocks. • It often trades in the securities of young or small companies because its listing requirements are less strict than those of the New York Stock Exchange. — Abbr. AMEX; ASE. [Cases: Exchanges 1–15; Securities Regulation 40.10–40.16. C.J.S. Exchanges §§ 2–43; Securities Regulation §§ 154–163, 165–168.]