Stock markets : information vendors need SEC oversight to control automation risks : report to the Chairman, Securities and Exhange Commission /

"B-246404"--P. 1.

Financial markets--preliminary observations on the October 1987 crash : report to congressional requesters /

"GAO/GGD-88-38."

Financial markets. Hearings, Ninety-third Congress, first session..

Hearings held July 24- Sept. 28, 1973