I don't think it does. If I'm buying AAPL on a 10-year time horizon, and some HFT trader front-runs my trade for some fractions of a penny, that doesn't really

I don't think it does. If I'm buying AAPL on a 10-year time horizon, and some HFT trader front-runs my trade for some fractions of a penny, that doesn't really harm me as far as I can tell.