KOSPI Slides 6%, Oil Climbs 3%

Asian markets slumped, led by South Korea's KOSPI down 6.1% as Samsung Electronics fell 8.6% and SK Hynix 7.7%.
Global equities fell; US S&P 500 futures down 0.8%, Nasdaq 100 futures down 1.1%, European indices each down about 1%.
Oil prices jumped ~3%, Brent at $108.75 and crude at $104.42, driven by Trump’s comments on Iran and Hormuz tensions.
US Treasury yields rose, two‑year above 4.05% and 10‑year near 4.52%; Japan 20‑year bond hit 1996 high.