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Re:A veteran programmer explains how the stock market became... by kasey_junk on Monday April 07, 2014 @08:38AM (#7546100)
" they will signal up to their other machine to say, “Buy everything that’s available.”"

This sentence is very problematic as it implies that HFT are injecting themselves between 2 intermediaries that don't need the HFT in the first place. What is actually happening is the HFT is not buying or selling anything. They are changing the prices they themselves were offering originally. There is no intermediary involved.

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