US Stock Market Volatility Mid-2026

US stock indexes experienced significant fluctuations between June and July 2026, driven by geopolitical tensions in the Middle East threatening the US-Iran ceasefire and a major sell-off in artificial intelligence stocks. The volatility resulted in major indexes declining sharply, particularly affecting tech and chip companies like Nvidia.

This is a long-running storyline that has developed over 65 days. The homepage highlights its most recent activity, so the outlet count there reflects the latest wave. The totals above cover the full run.