NEW YORK--(BUSINESS WIRE)--Liquidnet, the global institutional trading network, today announced the launch of Liquidnet Dark IEX, a new order routing strategy that provides the buyside with more access to safe trading opportunities by giving them the ability to access Liquidnet’s market-leading institutional liquidity pool while working their orders within IEX. This proprietary algorithm was designed to give the buyside broader access to block liquidity and a safer way to trade large orders whi