1. 
   
   2. Dark markets commonly execute large order sizes at the midpoint of the prevailing BBO for a security. They generally report these trades to an Alternative Display Facility (ADF) operated by FINRA. Most exchanges argue that Dark Pool volume should be limited. Why?
   4. Explain why Dark Pools have attracted a substantial share of current U.S. and European trading volumes. 
   5. Why do many larger institutional traders prefer Dark Pools for their orders? 
   6. When do institutions use "lit" markets?
   7.