This edition covers recent developments in the courts and SEC rulemaking, including 1933 Act registration and broker-dealer regulation developments such as FINRA. In addition to the leading cases and SEC developments, the casebook includes explanatory material to guide the student through this complex maze of regulation. The Ninth Edition enables instructors to easily omit or rearrange material. The problem and documentary supplement, available as a casebook companion, is designed for teachers using the problem method. It contains sample documents including 1933 Act registration and back-up documents. The teacher's manual, which has been updated and expanded, includes analysis of the problems contained in the supplement.