Definition
A sharp, broad drop in prices as many investors sell at once.
The story
Overnight on Nov 4, 2026, Nasdaq-100 futures fell as much as 2.4% after the midterm results, before recovering, per Reuters. A sell-off can last minutes or weeks; what makes it one is the speed and breadth of the selling.
Why markets watch it
Coverage uses it whenever selling pressure is heavy and widespread.
Connects to
Last seen in
We explain why it moves markets. What you do with it is your call. Commentary and education only. Not financial advice. All terms