Might there be more to last week’s crash than a “fat fingered” trade, or someone mistakenly entering a “billion” instead of a “million?” An online stock trader has a video showing an unusual spike in trading volume, followed by a very quick sell-off, by funds at large investment firms BlackRock and Vanguard and some other funds 30 to 15 minutes before the big crash. Prescience? Watch the video, check the logs, and decide for yourself.

Trader Walks Through Thursday’s Action And Finds Very Strange Action Well Before The Crash [Clusterstock]

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