We have had only one other drop of the Dow of 300 or more points this year. That occurred on February 27, 2007, when the Dow fell 416.02 points, or -3.3%.
Before then, we have not seen a 300 point drop since March 24, 2003, when the Dow lost 207 points or 3.6%
The year with the greatest amount of 300 point drops since 1987:
After a 300 point drop in the Dow (16 Occurrences, not including today)...