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A comment on The High-Speed Trading Behind an Amazon Purchase. Parent comment

Re:The High-Speed Trading Behind an Amazon Purchase by valuearb on Sunday March 26, 2017 @07:38PM (#13964040)
They also send you an additional bill if the pride increase before you get home.
[ Parent | on HN ]
Re:The High-Speed Trading Behind an Amazon Purchase by thinkloop on Sunday March 26, 2017 @07:46PM (#13964078)
Then they compare after-market prices and if you're trending higher than forecasted: additional bills.
[ Parent | on HN ]