Columnists: Locust: Crossing networks – Dark traders Locust shines a light on the dark pools of liquidity seeping into the financial world A lively public stock exchange is often considered the necessary centrepiece of any successful economy. Yet at the O’Reilly Money:Tech conference in New York in February, which looked at how the internet is affecting the financial industry, one session discussed two troubling developments in the world of share trading: dark pools and crossing networks. Dark pool is the umbrella term for any “non-displayed liquidity”, or trades that are hidden from public view, many of which are block trades...