Stock market today: Dow, S&P 500, Nasdaq gain as Wall Street braces for US-Iran update

Stock market today: Dow, S&P 500, Nasdaq gain as Wall Street braces for US-Iran update  Yahoo Finance Iran peace deal, Dell shares surge, Trump Accounts and more in Morning Squawk  CNBC Markets News, May 29, 2026: Indexes Close at Records as Dell Leads Tech Gains; S&P 500 Rises for 9th Straight Week  Investopedia

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