Stock Market Today: Dow Jones, S&P 500 Futures Edge Higher With Eyes On Iran Talks—Apple, UnitedHealth, 3M In Focus

U.S. stock futures rose on Tuesday following Monday's decline. Futures of major benchmark indices edged up, with negotiating teams from the United States and Iran slated to arrive in Islamabad for further talks.  On Monday, the Dow Jones index closed about five points lower, even as tensions between the U.S. and Iran intensified as the ceasefire drew closer to expiry.