[Overnight collapse! International crude oil settlement price fell more than 5.6%, "demand destruction" is happening?] On Wednesday (October 4), the settlement price of the two major international crude oil futures fell by more than $5, or 5.6%. Specifically, the U.S. WTI crude oil futures November contract settled down 5.61% at $84.22 / barrel, the largest one-day decline since September last year; Brent crude futures for December delivery settled down 5.62 percent at $85.81 a barrel.