[Nasdaq's 23-Hour Trading System Approved by SEC, Set to Launch on December 6] BlockBeats News, August 7: According to Nasdaq's Q1 2026 financial report and the 8-K document submitted to the SEC, its 23-hour trading system (23/5) has been approved by the U.S. Securities and Exchange Commission (SEC) and is scheduled to officially launch on December 6, 2026. At that time, the U.S. stock market will only close for 1 hour daily (Eastern Time 20:00-21:00) for system clearing and data processing, with trading open continuously for the remaining 23 hours. [Original Link]