Explaining high-frequency trading

High-frequency trading is creating a ruckus on Wall Street. Marketplace Senior Editor Paddy Hirsch explains what high-frequency trading is and why some people are up in arms about it.

About the author

Paddy Hirsch is a Contributing Editor at Marketplace and the creator and host of the Marketplace Whiteboard. Follow Paddy on Twitter @paddyhirsch and on Facebook at www.facebook.com/paddyhirsch101


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