Rosenblatt's Market Structure News Digest

• IEX crosses the rebate Rubicon
• MEMX wants to add a prospective element to how firms qualify for fee tiers
• CME and Google move slowly on their cloud cooperation
• Citadel Securities heads into the corporate-bond market
• The SEC proposes new rules on predictive analytics and conflicts of interest, part of a broader regulatory crackdown on AI
• European regulators move toward re-bundling research and trading commissions, while US brokers lie in regulatory limbo
• The Ripple XRP ruling continues to reverberate through crypto markets

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