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What is causing flash crashes?

And how do we stop them?

By Avinash D Persaud  

British financial trader Navinder Singh Sarao ©Matt Dunham/AP/Press Association Images

Flash crashes in financial markets are causing increasing consternation among central bankers, traders and indeed anyone who depends on the great many things that are priced by markets. In early December, the Bank of England’s Prudential Regulatory Authority published its report on October’s flash crash in sterling. In the early hours of 7th October, the value of the pound fell 9 per cent, a slide that occurred in just 40…

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