U.S. v. Morgan et al., more commonly referred to as the Investment Bankers Case was a multi-year antitrust case against brought by the United States Justice Department against seventeen of the most prominent Wall Street investment banking firms, known as the Wall Street Seventeen.[1][2][3]
The Justice Department filed suit against the firms in 1947 claimed that the leading investment banking firms had combined, conspired and agreed, in violation of the Sherman Antitrust Act, to control and monopolize the U.S. Securities markets.
The case, which was brought to trial in the Southern District of New York in 1952 was presided over by Harold Medina. In October 1953, after a year-long trial, Medina found in favor of the investment banking firms.
The 17 Wall Street firms named as defendants in the case, later known as the "Wall Street Seventeen" were as follows:[1][4]
Excluded from the case were a number of prominent Wall Street firms including Bache & Co., Halsey Stuart & Co., Merrill Lynch, Pierce, Fenner & Beane and Salomon Brothers & Hutzler among others.