Business S&p 500 Index slips as Iran tensions lift oil prices and inflation fears The S&p 500 index edged lower Monday as renewed US-Iran tensions lifted oil prices and revived inflation concerns. Last updated: April 20, 2026 By David Coleman Share SHARE TAGGED: Business Share This Article Copy Link By David Coleman More Read Dow Jones slips as oil jumps after U.S.-Iran port blockade escalates Apple Stock Gets BNP Paribas Upgrade as Analyst Sees Share Gains Msft Stock Faces Pressure Ahead of April 29 Earnings on Azure, Copilot Follow Us Must Read April 20, 2026 Dow Jones slips as oil jumps after U.S.-Iran port blockade escalates Apple Stock Gets BNP Paribas Upgrade as Analyst Sees Share Gains Msft Stock Faces Pressure Ahead of April 29 Earnings on Azure, Copilot