US Equity Indexes Slip, Crude Oil Futures Mixed as Investors Evaluate Iran Deal Likelihood

US equity markets experienced a slight dip as investors weighed the uncertain prospects of a new Iran nuclear deal. The potential agreement could significantly impact global crude oil supplies, leading to mixed sentiment in futures markets for energy. Traders are closely monitoring diplomatic progress, as a successful deal might increase oil supply, potentially lowering prices and affecting energy sector stocks, while a stalemate could keep prices elevated.