The SEC has announced a roundtable focused on preparations for potential 24-hour stock market trading. The session will bring together major market participants including Citi, UBS, Cboe, NYSE, DTCC, Invesco, Nasdaq, Schwab, Samsung, BlackRock, Robinhood, Jane Street, State Street, BNP Paribas, BNY Pershing, Citadel Securities and Interactive Brokers. The announcement signals regulatory discussion around extending equity market trading hours, with exchanges, brokers, asset managers and market infrastructure firms set to participate in the panel.