Stock-market futures drop, oil surges back above $100 after failed talks between U.S. and Iran over the weekend

Stock-market futures drop, oil surges back above $100 after failed talks between U.S. and Iran over the weekend(5 min)(5 min)Stock-market futures were down Sunday evening, suggesting investors were bracing for a sharp drop in major indexes after weekend talks between the U.S. and Iran failed to open the Strait of Hormuz and led President Donald Trump to announce a blockade of the crucial waterway. Futures trading pointed to sharp drops for the Dow Jones Industrial Average and S&P 500, with the E-Mini Dow Continuous Contract YM00 falling 1.1% and the E-Mini S&P 500 Future Continuous Contract ES00 sliding 1.1%, according to FactSet data, at last check. The E-Mini Nasdaq 100 Index Continuous Contract NQ00 was also down Sunday evening, dropping 1.3%.About the AuthorChristine Idzelis is a markets reporter at MarketWatch and is based in New York.A Dow Jones CompanyCopyright © 2026 MarketWatch, Inc. All rights reserved.