Asian equities slumped sharply in synchronized fashion after a record collapse in South Korea’s stock market, as investors reacted to an Iran-linked Middle East conflict that sent oil prices surging and stoked fears about growth, inflation, and energy security across the region. The Kospi plunged by around 12% intraday, its steepest fall on record, triggering circuit breakers and a temporary halt to trading on both the Kospi and the tech‑heavy Kosdaq, before partially trimming losses. Heavyweight Korean semiconductor and tech names were hit particularly hard, amplifying the index move and forcing authorities to step in with volatility-management measures. The sell-off spread across Asia, with Japan’s Nikkei 225, Hong Kong’s Hang Seng Index, and major China A‑share benchmarks all sliding as investors priced in the risk that an escalating conflict involving Iran could disrupt crude supplies through the Strait of Hormuz and keep oil prices elevated. Asia’s high dependence on Middle Eastern energy imports—especially in countries like South Korea, which sources a large majority of its oil from the region—heightened concern that a sustained oil shock could squeeze corporate margins, pressure household spending, and complicate central banks’ inflation‑control efforts. The rout underscored how quickly geopolitical risk can trigger cross‑market contagion in a levered, tech‑heavy regional equity complex, with circuit breakers, margin pressures, and currency moves all interacting to deepen volatility.

AI-generated background, compiled from web sources — not editorial content.

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