SEOUL, March 23 (AJP) — A sharp pullback in foreign positioning rippled across Asian markets Monday after Washington issued a 48-hour ultimatum for Iran to reopen the Strait of Hormuz, prompting investors to cut exposure to risk-sensitive assets.
Chip-heavy markets led regional losses. Japan’s Nikkei 225 slipped below the 51,000 mark for the first time since Jan. 5, according to Kyodo News, dragged down by semiconductor stocks. Advantest plunged 6.76 percent, while Tokyo Electron fell 4.35 percent. Oil-sensitive chemical and manufacturing shares, along with retail heavyweight Fast Retailing, also declined.
Hong Kong’s Hang Seng Index dropped 2.40 percent to 24,670.29, China’s Shanghai Composite fell 1.88 percent to 3,882.67, and Taiwan’s Taiex Index declined 2.04 percent to 32,860.10.
The KOSPI slid sharply at the open, triggering a sell-side sidecar at 9:18 a.m. after KOSPI200 futures dropped more than 5 percent for over one minute — the 10th such activation this year. Foreign investors accelerated outflows, dumping more than 1.16 trillion won worth of shares shortly after the opening bell.
The Korean won also came under pressure. The dollar-won exchange rate opened at 1,504.9 won and rose to as high as 1,511.8 won in early trade — its highest level since March 2009 during the global financial crisis.
The market reaction followed U.S. President Donald Trump’s warning that Iran must reopen the Strait of Hormuz within 48 hours or face further military action, intensifying fears of a prolonged disruption to a critical global energy route.
As of 11:01 a.m., the KOSPI had fallen 4.88 percent, or 281.93 points, to 5,499.27, while the KOSDAQ dropped 3.65 percent to 1,119.08.
Losses were broad-based across sectors.
In semiconductors, Samsung Electronics declined 4.96 percent and SK hynix dropped 6.26 percent. Automakers also weakened, with Hyundai Motor down 4.84 percent, Kia falling 4.57 percent and Hyundai Mobis losing 5.37 percent.
Energy, industrial and shipbuilding stocks were also under pressure. LG Energy Solution fell 3.60 percent, SK Square plunged 8.22 percent and Doosan Enerbility declined 5.75 percent. Hanwha Aerospace, HD Hyundai Heavy Industries, Hanwha Ocean and HD Hyundai Electric all posted losses of around 4 to 7 percent.
In bio and healthcare, Samsung Biologics fell 3.81 percent and Celltrion declined 5.79 percent.
Financials tracked the broader downturn, with KB Financial Group falling 4.83 percent, Shinhan Financial Group down 5.62 percent, Mirae Asset Securities dropping 6.50 percent and Samsung Life Insurance losing 4.32 percent. Among other large caps, Samsung C&T declined 5.38 percent and NAVER slipped 4.51 percent.
On the KOSDAQ, Samchundang Pharm stood out among the few gainers, rising 3.97 percent on continued optimism over its oral insulin pipeline.
Analysts said market direction this week will hinge on geopolitical developments and U.S. rate expectations, while warning of potential peak-out concerns in the memory cycle following Micron’s earnings. Investors were advised to monitor semiconductor earnings revisions and foreign fund flows closely.
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