SEOUL, April 23 (AJP) - Seoul benchmark KOSPI set new milestone Thursday, decoupled from the broad sidelined sentiment across Asia amid Gulf uncertainties, as stronger-than-expected first-quarter GDP and SK hynix earnings underscored the depth of South Korea's chip power.
The main index rose 2.1 percent to a new intraday high of 6,551.3 in morning trade after opening at 6,488.83, with advances led by large-cap chipmakers following robust earnings from SK hynix.
The undeterred rally this week prompted retail investors to take profits, while foreign investors turned active buyers. Foreign buying totaled 495 billion won, backed by institutional purchases of 289 billion won, while retail investors sold a net 725 billion won.
The gains were underpinned by strong momentum in semiconductor shares. Samsung Electronics jumped 5.2 percent to 228,750 won, approaching its previous intraday high, while SK hynix rose 2.3 percent to 1,251,000 won.
Earlier in the day, SK hynix reported record-breaking first-quarter earnings, posting an operating profit of 37.6 trillion won, reinforcing expectations that demand for AI-driven memory products remains robust.
Other large-cap stocks showed mixed performance. SK Square rose 4.7 percent and Doosan Enerbility gained 5.4 percent, while LG Energy Solution fell 3 percent. HD Hyundai Heavy Industries and Samsung Biologics also traded lower.
The tech-heavy KOSDAQ underperformed, falling 0.5 percent to 1,175.7, as foreign and institutional investors offloaded shares, while retail investors stepped in as heavy buyers.
Asian markets were mixed, with regional sentiment supported by a temporary reprieve in geopolitical tensions after the United States signaled an indefinite extension of a truce with Iran.
Overnight on Wall Street, major indexes closed higher, with the Dow Jones Industrial Average rising 0.7 percent, the S&P 500 gaining 1.1 percent and the Nasdaq Composite advancing 1.6 percent to fresh record highs.
Japan’s Nikkei 225 was 0.06 percent off at 59,549.56, while the Shanghai Composite was up 0.11 percent at 4,110.79. The Hang Seng Index fell 0.5 percent to 26,034.12 at the open.
Global indicators pointed to relatively stable risk conditions. The VIX volatility index fell 2.97 percent to 18.9, while the Philadelphia Semiconductor Index rose 2.7 percent. Oil prices edged higher, with West Texas Intermediate crude trading near $93 per barrel and Brent crude around $102.
The Korean won strengthened slightly, with the exchange rate falling 0.1 percent to 1,477 per dollar.
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