Topic
Market Structure
3 articles
SEC
Pre-market movers and beyond: SEC sets 24-hour trading roundtable
The SEC set a September 17, 2026 roundtable on preparing for 24-hour trading, with panels on preparedness and resiliency featuring exchanges, brokers and DTCC.
SEC
Stock market today: SEC proposes ending Reg NMS trade-through rule
The SEC proposed rescinding Reg NMS Rules 611 and 610(e) on June 11, 2026, and separately delayed tick size, access fee and odd-lot compliance to November 2027.
Nasdaq
Stock market today meets 23/5: Nasdaq files 4 a.m. order handoff
Nasdaq filed an immediately effective rule for a momentary handoff just before 4 a.m. ET, canceling Night Session orders as it moves from night to day trading.