FINRA - Proposed Rule Change to Modify Fees and Transaction Credits Applicable to FINRA/NYSE Trade Reporting (SRO Rule Filing).

Firms should consider whether the rule change will (or should) have any impact as to where they trade, and if so, how does that impact best execution. (Under the rule, firms may aggregate their own trading volume with that of their affiliates)

View release in full here(links externally to SEC website).