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Axios Feb 7
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Machines get blamed for Dow's plunge

NYSE
Traders work on the floor of the New York Stock Exchange on Tuesday. Photo: Spencer Platt / Getty Images

"Lightning-fast trading models, automated sell orders and an arsenal of sophisticated algorithms ... are likely to have made a crazy trading day that much crazier," the WashPost reports:

Why it matters: "The computers react to evidence exponentially faster than any human — think millionths of a second, instead of minutes — and can move en masse, trading at high volumes around the world. That makes them potentially ... dangerous."