Which piece of speculative #fiction had the greatest single-day #stockmarket impact?
In each instance, the #FinancialTimes tracked the daily move in the #SP500 (post-1986) or #DowJones Industrial Average (pre-1986) on the day the piece of media was released in the #US, or the first trading day thereafter.
https://www.ft.com/content/f12398a8-ef57-412f-ae40-67ef9b421bed
https://archive.ph/lJfGl