Securities and Exchange Commission v. W. J. Howey Co. , 66 S. Ct. 1100 ( 1946 )
Tcherepnin v. Knight , 88 S. Ct. 548 ( 1967 )
Fed. Sec. L. Rep. P 94,724 Securities and Exchange Commission v. Continental Commodities Corporation , 497 F.2d 516 ( 1974 )