[U.S. SEC Announces Agenda for September 17 '24-Hour Trading' Roundtable Meeting, Robinhood, NYSE, BlackRock to Participate] According to The Block, the U.S. Securities and Exchange Commission (SEC) has announced the agenda for the September 17 '24-Hour Trading' roundtable meeting, which will discuss system readiness and anticipated market impacts. Representatives from Robinhood, NYSE, Nasdaq, BlackRock, and other institutions will participate as panel members.