This was the biggest point drop in history, but not even close to the biggest percentage drop.
Rank Date Percentage loss Point loss
1. Oct. 19, 1987 -22.61 -507.99
2. Oct. 28, 1929 -13.47 -40.58
3. Dec. 18, 1899 -11.99 -7.94
4. Oct. 29, 1929 -11.73 -30.57
5. Oct. 5, 1931 -10.74 -10.40
Sept. 17, 2001 -7.13 -684.81
(from MSNBC)
Michael