Stock market today: Dow, S&P 500, and Nasdaq slide as oil rises amid Hormuz standoff Yahoo FinanceStock Market Today: Dow, S&P 500, Nasdaq Open Down; Trump, Iran Fears; Tesla, ServiceNow, IBM, More Movers Barron’sWall St opens lower on Middle East impasse, mixed earnings ReutersOil Prices Climb and Stocks Wobble as Investors Assess Peace Prospects The New York TimesStocks fall, S&P 500 and Nasdaq pull back from all-time highs: Live updates CNBC