(2nd LD) Seoul stocks dip over 3 pct on Mideast uncertainties, AI warnings

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SEOUL, Sept. 14 (Yonhap) -- Seoul stocks tumbled by more than 3 percent Monday as investors sold off tech-heavyweights on persisting geopolitical uncertainties and warnings from U.S. tech executives that the pace of artificial intelligence (AI) development may be too fast. The Korean won fell against the U.S. dollar.

After opening sharply lower, the benchmark Korea Composite Stock Price Index (KOSPI) closed down 225.54 points, or 3.26 percent, to 6,684.37.

Trade volume was light at 274.4 million shares worth 20.19 trillion won (US$14.93 billion). Losers outnumbered winners 561 to 308.

Retail investors were net buyers, snapping up 2.97 trillion won. Institutional and foreign investors offloaded a combined net 4.46 trillion won.

"The main factor that led the sharp decline was the controversy over the pace of AI development," said Lee Kyoung-min, an analyst from Daishin Securities.

An anticipated meeting expected to reopen transit in the Hormuz Strait was postponed, which led Brent crude, the international oil benchmark, to hover above US$108 per barrel, further cooling investor sentiment, the analyst added.

Over the weekend, Anthropic's co-founder Dario Amodei issued a proposal to slow down the advancement of AI technology to ensure public safety, of which followed a rare show of unity from other AI executives from the United States.

In Seoul, most market heavyweights ended lower.

Top-cap Samsung Electronics shed 4.05 percent to 249,000 won, and rival SK hynix retreated 6.35 percent to 1,697,000 won.

Battery maker LG Energy Solution dipped 2.36 percent to 351,500 won, carmaker Hyundai Motor slid 2.88 percent to 371,500 won, and defense giant Hanwha Aerospace jumped 5.18 percent to 1,137,000 won.

Financial stocks strengthened on anticipation that the central banks from South Korea and the U.S. will maintain a monetary tightening stance for a longer-than-expected period.

KB Financial added 2.08 percent to 181,600 won, and Shinhan Holdings inched up 1.51 percent to 114,600 won.

The Korean won was quoted at 1,347.3 won against the U.S. dollar, down 1.4 won from the close of the previous stock trading session.

Bond prices, which move inversely to yields, closed lower. The yield on three-year Treasurys rose 1.1 basis points to 4.025 percent, and the return on the benchmark five-year government bonds added 1.2 basis points to 4.279 percent.

The closing benchmark Korea Composite Stock Price Index (KOSPI) is displayed on a screen inside the dealing room of Hana Bank in central Seoul on Sept. 14, 2026. (Yonhap)

fairydust@yna.co.kr (END)

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(2nd LD) Seoul stocks dip over 3 pct on Mideast uncertainties, AI warnings

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（注意：底部添加了债券收益率）

首尔，9月14日（韩联社）——周一，首尔股市暴跌逾3%，投资者抛售科技巨头股票，原因是持续的地缘政治不确定性以及美国科技公司高管警告称人工智能（AI）发展速度可能过快。韩元兑美元汇率下跌。

韩国综合股价指数（KOSPI）开盘大幅走低后，最终收跌225.54点，跌幅3.26%，报6684.37点。

成交量清淡，仅为2.744亿股，成交额为20.19万亿韩元（约合149.3亿美元）。下跌股票数量超过上涨股票数量，比例为561比308。

散户投资者净买入，买入金额达2.97万亿韩元。机构投资者和外国投资者合计净卖出4.46万亿韩元。

大信证券分析师李京民表示：“导致人工智能价格暴跌的主要因素是围绕人工智能发展速度的争议。”

分析师补充说，原定重新开放霍尔木兹海峡通行权的会议被推迟，导致国际石油基准布伦特原油价格徘徊在每桶 108 美元以上，进一步降温了投资者情绪。

上周末，Anthropic 的联合创始人达里奥·阿莫迪提出了一项提案，旨在减缓人工智能技术的进步，以确保公共安全。此前，美国其他人工智能高管罕见地表现出团结一致。

在首尔，大多数市场巨头收跌。

市值最高的三星电子股价下跌 4.05% 至 249,000 韩元，其竞争对手 SK 海力士股价下跌 6.35% 至 1,697,000 韩元。

电池制造商 LG Energy Solution 股价下跌 2.36% 至 351,500 韩元，汽车制造商现代汽车股价下跌 2.88% 至 371,500 韩元，国防巨头韩华航空航天股价上涨 5.18% 至 1,137,000 韩元。

由于市场预期韩国和美国的央行将维持货币紧缩政策的时间将比预期更长，金融股走强。

KB Financial 股价上涨 2.08% 至 181,600 韩元，新韩控股股价小幅上涨 1.51% 至 114,600 韩元。

韩元兑美元汇率为1347.3韩元，较前一交易日收盘价下跌1.4韩元。

债券价格与收益率呈反向走势，最终收跌。三年期美国国债收益率上涨1.1个基点至4.025%，五年期基准政府债券收益率上涨1.2个基点至4.279%。

2026年9月14日，首尔市中心韩亚银行交易室内的屏幕上显示着韩国综合股价指数（KOSPI）的收盘价。（韩联社）

fairydust@yna.co.kr (完)

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（第二部分）受中东局势不明朗和人工智能预警影响，首尔股市下跌逾3%