• Another eventful month in US equity market-structure regulation, culminating with the SEC staying implementation of its controversial Transaction-Fee Pilot
• Miami International Holdings says it wants to launch yet another US equities exchange
• Cboe’s plans to introduce retail-order priority on its EDGX exchange
• Online broker Charles Schwab facing a class-action suit over its past trade-execution relationship with UBS
• Moderate Democrats beginning to line up against plans for a financial-transaction tax
• The White House nearing an appointment to fill a vacant Democratic SEC commissioner seat
• The M&A battle for Oslo Børs intensifies
• Uncertainty over the global spread of EU commission-unbundling rules
• The financial-services industry’s latest struggles with artificial intelligence
• More hard times for cryptocurrency trading
