High speed trading is an effective route to achieve that policy as it reduces the need to keep resources tied up in market making, an activity that requires com

High speed trading is an effective route to achieve that policy as it reduces the need to keep resources tied up in market making, an activity that requires compensation. Any other method to force a uniform price, i.e. a price that cannot quickly change in response to information, creates arbitrage opportunities that are greatly unfavorable to retail investors.