3 Card Question 18 1.5 pts Dark pools have the following characteristics: 1. A dark pool is opaque in that it does not display bid and ask quotes II. Trade executions from a dark pool are not reported. III. Dark trades in a dark pool usually get price improvement. IV. Dark trading via a dark pool can never occur in lit markets. O Ill and IV only I and IV only I and Ill only OLI, III and IV