Seoul stocks extend losses late Tues. morning amid AI concerns

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SEOUL, Oct. 20 (Yonhap) -- Seoul stocks were trading sharply lower late Tuesday morning as concerns over investments in the artificial intelligence (AI) value chain sparked a sell-off in major chip shares.

The benchmark Korea Composite Stock Price Index (KOSPI) fell 136.06 points, or 2.36 percent, to 5,631.95 as of 11:20 a.m.

After opening 0.6 percent lower, the index extended its losses to an intraday low of 5,493.24, before recovering some ground.

Overnight, U.S. stocks ended mixed as technology shares rebounded from their steepest weekly drop since June.

The Dow Jones Industrial Average edged down 0.07 percent, while the benchmark S&P 500 rose 0.41 percent and the tech-heavy Nasdaq Composite Index gained 1.11 percent to finish at 26,430.89.

In Seoul, tech stocks led the decline.

Chipmakers Samsung Electronics Co. and SK hynix Inc. fell 1.03 percent and 2.74 percent, respectively.

In contrast, Samsung Electro-Mechanics Co., an electronics components affiliate of Samsung Electronics, gained 2.48 percent after opening lower.

The Korean won was trading at 1,327.6 won against the U.S. dollar as of 11:20 a.m., up 5.5 won from the previous session's close.

Financial data is shown on a screen inside the dealing room of Hana Bank in central Seoul on Oct. 20, 2026. (Yonhap)

Seoul stocks extend losses late Tues. morning amid AI concerns

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首尔，10月20日（韩联社）——由于对人工智能（AI）价值链投资的担忧引发主要芯片股抛售，首尔股市周二上午晚些时候大幅下跌。

截至上午11点20分，韩国综合股价指数（KOSPI）下跌136.06点，跌幅2.36%，至5631.95点。

该指数开盘下跌 0.6%，随后跌幅扩大至盘中低点 5,493.24，之后有所回升。

隔夜，美国股市涨跌互现，科技股从6月以来最大单周跌幅中反弹。

道琼斯工业平均指数小幅下跌 0.07%，而基准标准普尔 500 指数上涨 0.41%，以科技股为主的纳斯达克综合指数上涨 1.11%，收于 26,430.89 点。

在首尔，科技股领跌。

芯片制造商三星电子和SK海力士的股价分别下跌了1.03%和2.74%。

相比之下，三星电子旗下电子元件子公司三星电机公司在低开后上涨了 2.48%。

截至上午 11:20，韩元兑美元汇率为 1,327.6 韩元，较前一交易日收盘价上涨 5.5 韩元。

2026年10月20日，首尔市中心韩亚银行交易室内的屏幕上显示着金融数据。（韩联社）

受人工智能担忧影响，首尔股市周二早盘跌幅扩大。