Trading volumes fell, fragmentation, specialization increased since U.K. left
Innovation-focused order books slated for launch in September
Proposed reforms are likely to drive volume away from wholesalers and market makers, reports say
The regulator proposed reforms to enhance competition and boost investor protection
The U.S. regulator will examine best execution, payment for order flow and other equities market issues
The exchange is offering a promotion beginning Aug. 1
Tagging will enhance transparency, the exchange says
Proposals aim to address concerns that too many small orders are being traded in the dark without price improvement
Comments on the proposal are due April 30
Exchange company proposes several changes in response to customer demand