SEOUL, April 23 (AJP) - Geopolitical uncertainty failed to derail South Korea’s stock rally, with the KOSPI closing at a fresh all-time high Thursday as strong chip earnings and an upside GDP surprise lifted investor sentiment.
The benchmark index closed at 6,475.81, up 0.90 percent, while the KOSDAQ ended at 1,174.31, down 0.58 percent. The Bank of Korea said first-quarter real GDP expanded 1.7 percent from the previous quarter, nearly double its February forecast of 0.9 percent and the fastest growth in five and a half years, supported by stronger-than-expected semiconductor demand.
Semiconductor shares extended gains after Samsung Electronics marked a record closing high, gaining 3.22 percent to close at 224,500 won ($151.5). Meanwhile, SK hynix reported record first-quarter earnings, reinforcing expectations for robust AI-driven memory demand, while its shares rose 0.16 percent to 1,225,000 won.
However, battery shares retreated after a sharp recent rally driven by expectations that Middle East tensions would strengthen demand for electric vehicles and U.S. energy storage systems. Shares of LG Energy Solution fell 3.72 percent to close at 466,500 won. Samsung SDI, which had gained for six straight sessions, declined 4.40 percent to 630,000 won.
Auto shares also weakened. Shares of Hyundai Motor swung between gains and losses before closing lower, down 1.66 percent to 532,000, as investors weighed record revenue against a sharp drop in profitability.
The company said on Thursday that its first-quarter consolidated operating profit fell 30.8 percent from a year earlier to 2.51 trillion won, with more than 1 trillion won in profit decline driven by U.S. auto tariffs, higher warranty provisions tied to exchange-rate volatility and weaker global demand amid the Iran war.
Revenue, however, rose 3.4 percent year-on-year to a record 45.94 trillion won for a first quarter, supported by strong hybrid vehicle sales and improved performance in its financing business. Its operating margin stood at 5.5 percent. Affiliate Kia also slipped 1.00 percent to 158,400 won.
Meanwhile, energy and industrial names outperformed, with Doosan Enerbility jumping 5.78 percent to 122,600 won. The gains came after a memorandum of understanding (MOU) signed during Tuesday’s South Korea-Vietnam summit between Korea Electric Power Corp. and PetroVietnam, Vietnam’s National Oil and Gas Group to explore the feasibility of cooperation in nuclear power development.
Samsung C&T also advanced 6.31 percent to close at 320,000 won and HD Hyundai Electric rose 3.58 percent to 1,129,000 won.
The KOSDAQ traded lower through much of the session, briefly falling below 1,153 at midday before trimming losses to close down 0.58 percent at 1,174.31, pressured by foreign and institutional selling. Declines were led by battery stocks, with EcoPro falling 4.32 percent to 157,200 won, EcoPro BM sliding 5.73 percent to 205,500 won and biopharma stock Alteogen edging down 0.56 percent to 357,500 won.
In the currency market, the Korean won weakened slightly, with the dollar trading at 1,480.30 won, compared with the previous close of 1,476.0 won.
Markets elsewhere in Asia closed lower, with Japan’s Nikkei 225 closing at 59,140.23, down 0.75 percent, China’s Shanghai Composite ending at 4,093.25, down 0.32 percent, and Hong Kong’s Hang Seng Index closing down 0.99 percent at 25,904.09.
Investor sentiment weakened as renewed military tensions, including reports of air defenses activated in parts of Tehran, fueled concerns over broader conflict escalation, while oil prices surged toward $97 a barrel.
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