What Could Shake Up Markets in September? | 4 Sept 2026 | Morgan Stanley
**1. Executive Briefing (TL;DR)** - **Top Key Takeaways:** - **Seasonal Volatility Reset:** Historically, September experiences higher volatility relative to annual averages as capital market issuance resumes and institutional investors return from summer hiatus [[00:00:17](http://www.youtube.com/watch?v=iKg_wyYm9VM&t=00h00m17s)]. - **Fed Policy Divergence & Meeting Uncertainty:** Financial markets are pricing in…























