• Hong Kong Exchanges & Clearing walks away from its daring unsolicited bid for London Stock Exchange Group
• Two other European exchanges show that smaller M&A is alive and kicking despite the troubles facing megamergers
• Online brokers race to charge zero commissions, despite declines in payment-for-order-flow rates in recent years
• A Vanity Fair article implies potential insider trading on Trump trade announcements, and the the Street’s out-of-proportion backlash
• Reading the tea leaves in judges’ questions during oral arguments in major US exchanges’ suit to stop the SEC’s Transaction Fee Pilot
• The SEC hits back at effective-upon-filing fee hikes for US consolidated equity data feeds
• Why adding odd-lot information to the US SIPs could be a stealth OPR repeal pilot
• The SEC asks market participants for ideas about how to improve market quality for thinly traded equities
• Regulators and Silicon Valley heavyweights discuss alternatives to IPOs for private companies seeking public listings
• How an expose of identity theft in federal-agency comment-letter processes raises questions about anonymous and pseudonymous market-structure commenters