Global Markets Plunge After Iran Conflict Escalates

Global stock futures tumbled on Tuesday as the U.S.-Iran conflict entered its fourth day, with Dow futures losing 749 points and S&P and Nasdaq futures down about 1.5–1.9%. Brent crude topped $84 a barrel after successive spikes, the VIX crossed 25 and Treasury yields rose, raising inflation and risk-aversion concerns for investors worldwide.