Refers to October 19, 1987, when the Dow Jones Industrial Average fell 508 points on the heels of sharp drops the previous week. On Monday, October 27, 1997, the Dow dropped 554 points. While the point drop set a new record, the percentage decline based on a higher Dow was substantially less than in 1987.
BLACK MONDAY
Meaning of BLACK MONDAY in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012