Technology stocks across Asia dropped sharply as the escalating war between the United States and Iran rattled energy markets and global supply chains. South Korea’s Kospi index suffered the steepest losses. The benchmark plunged more than 12% Wednesday.
Shares of Samsung Electronics fell 11.7% while chipmaker SK Hynix dropped 9.6%. Japan’s Nikkei 225 declined 3.6%.
The selloff reflects fears that disruptions in the Strait of Hormuz could hit energy supplies and shipping routes vital to semiconductor production. Nearly 20% of global oil shipments move through the strategic waterway.
Asian tech stocks reel as US-Iran war disrupts energy, logistics supply chains
— Bien Perez (@BienPerez) March 4, 2026
South Korea’s Kospi is the worst-hit in Asia, with Samsung Electronics and SK Hynix falling 11.7% and 9.6%, respectivelyhttps://t.co/d3a82GYSr5 pic.twitter.com/xdmoWWQQA5
Chinese technology stocks showed more resilience. Hong Kong’s Hang Seng Tech Index slipped about 1%, while Shanghai’s Star Market 50 index fell 0.5%.
Gary Ng, senior economist at Natixis Corporate and Investment Bank, said investors are reassessing risks tied to energy and logistics disruptions caused by the conflict.
According to China International Capital Corporation, the closure of the Strait of Hormuz has intensified concerns across Asia-Pacific markets.
Analysts warn that a prolonged war could further damage global technology supply chains and industrial production.
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TIPP Staff
