Monday's drop in the Dow Jones industrial average ranks as the 25th worst day for the Dow, ranked by percentages, according to Dow Jones & Co.

These are the Dow's biggest percentage drops, many from days when a swing of just a few points made a much bigger difference.

Oct. 19, 1987, 508 points, 22.61 percent.

Oct. 28, 1929, 38.33 points, 12.82 percent.

Oct. 29, 1929, 30.57 points, 11.73 percent.

Nov. 6, 1929, 25.55 points, 9.92 percent.

Dec. 18, 1899, 5.57 points, 8.72 percent.

Aug. 12, 1932, 5.79 points, 8.40 percent.

March 14, 1907, 6.89 points, 8.29 percent.

Oct. 26, 1987, 156.83 points, 8.04 percent.

July 21, 1933, 7.55 points, 7.84 percent.

Oct. 18, 1937, 10.57 points, 7.75 percent.

Feb. 1, 1917, 6.91 points, 7.24 percent.

Oct. 27, 1997, 554.26 points, 7.18 percent.

Oct. 5, 1932, 5.09 points, 7.15 percent.

Sept. 24, 1931, 8.20 points, 7.07 percent.

July 20, 1933, 7.32 points, 7.07 percent.

July 30, 1914, 5.30 points, 6.91 percent.

Oct. 13, 1989, 190.58 points, 6.91 percent.

Jan. 8, 1988, 140.58 points, 6.85 percent.

Nov. 11, 1929, 16.14 points, 6.82 percent.

May 14, 1940, 9.36 points, 6.80 percent.

Oct. 5, 1931, 6.29 points, 6.78 percent.

May 21, 1940, 8.30 points, 6.78 percent.

July 26, 1934, 6.06 points, 6.62 percent.

Sept. 26, 1955, 31.89 points, 6.54 percent.

Aug. 31, 1998, 512.61 points, 6.37 percent.