US Markets Drop 0.4% Over US‑Iran Deadline

Major US indices fell: S&P 500 down 0.3% to 6,589.25, Nasdaq down 0.5% to 21,882.53, Dow down 0.4% to 46,469.46.
Trump set a 20:00 ET deadline for Iran to reopen the Strait of Hormuz, threatening attacks on bridges and power plants.
Oil prices slipped, Brent fell 1.5% to $108.39, WTI rose 0.4% to $112.90, and Iran threatened Saudi Aramco facilities and Bab‑el‑Mandeb.
Broadcom rose ~5% after a long‑term AI chip deal with Google, while Humana (+8%) and UnitedHealth (+9%) surged on Medicare managed‑care rates.