Global semiconductor stocks fell sharply as South Korea’s KOSPI dropped over 6% amid Samsung’s 8.6% plunge over an upcoming strike.
Major chip makers including Intel, Nvidia, AMD, Micron, Broadcom and ASML lost between 3% and 6% following the sell‑off.
UBS warned AI‑linked chip valuations may be overheated, citing a 2.8‑sigma U.S. rally and record cash‑flow returns expectations.
Stalled US‑Iran talks and geopolitical tensions added pressure, with US‑China summit discussing Strait of Hormuz and Iran’s nuclear stance.