LIVEMarkets rolling coverageStarted: July 25, 2026, 4:00 AM EDTUpdated: July 26, 2026, 3:59 AM EDT S&P 500 Slides 0.79% as Trump Moves to Reinstate Strait of Hormuz Blockade July 26, 2026, 3:57 AM EDT. The S&P 500 index declined by 0.79% in July following President Trump’s decision to reinstate the Strait of Hormuz blockade, escalating tensions with Iran. The CBOE Volatility Index (VIX) climbed to 18.7, up from the June average of 17.91, reflecting rising volatility in equity markets. Additional uncertainty stemmed from the announcement of planned tariffs, such as a 50% duty on some Canadian products, further contributing to