Stock Market Today: Dow Loses Ground As Iran Deadline Nears; These IBD 50 Names Are Moving (Live Coverage) Investor's Business DailyS&P 500 ekes out a gain Tuesday, rebounding as traders hope for last-minute Iran deal: Live updates CNBCStock market today: S&P 500, Nasdaq close slightly higher on hopes of Iran deadline extension Yahoo FinanceUS stocks swing from losses to a tiny gain as uncertainty builds ahead of Trump's deadline for Iran AP New