Dow's charge to 21,000 is on track to tie as the shortest 1,000-point jump ever
If the Dow closes above 21,000, that ties it with the index's 1,000-point gain over 24 trading days in 1999.
If the Dow closes above 21,000, that ties it with the index's 1,000-point gain over 24 trading days in 1999.