▲ Financial data is displayed at Hana Bank's dealing room in Seoul on June 30, 2026. (Yonhap)

(2nd LD) stocks-summary

(2nd LD) Seoul shares rise nearly 1 pct on tech gains, with upcoming U.S.-Iran talks in focus

(ATTN: ADDS bond yield at bottom; CHANGES photo)

SEOUL, June 30 (Yonhap) -- South Korean stocks ended nearly 1 percent higher Tuesday, led by gains in technology shares, as investors watched for a possible resumption of U.S.-Iran talks in Qatar aimed at easing tensions in the Strait of Hormuz. The Korean won weakened against the U.S. dollar.

The benchmark Korea Composite Stock Price Index (KOSPI) gained 81.83 points, or 0.97 percent, to close at 8,476.47.

Investor sentiment improved after the United States and Iran were set to resume talks in Qatar aimed at easing tensions in the Strait of Hormuz, alleviating concerns over a prolonged disruption to global oil supplies.

Overnight, Wall Street rebounded sharply as investors returned to tech stocks.

The Dow Jones Industrial Average gained 0.59 percent to close at a record high, while the Nasdaq composite jumped 2.07 percent and the S&P 500 advanced 1.18 percent.

Crude prices rose modestly as investors monitored implementation of the U.S.-Iran peace framework.

Trade volume was moderate at 444.61 million shares worth 41.08 trillion won (US$26.51 billion), with losers outnumbering losers 621 to 261.

Institutions and individuals bought a net 2.93 trillion won and 833.45 billion won worth of shares, respectively, while foreigners sold a net 3.79 trillion won.

"Investors scooped up semiconductor shares following recent losses, while IT infrastructure and electricity stocks rose on hopes for major investment in semiconductor infrastructure in the southwestern region announced by the government and chipmakers," said Lee Kyoung-min, an analyst at Daishin Securities.

Tech shares lifted the overall market.

Market bellwether Samsung Electronics rose 3.41 percent to 334,000 won, and chip giant SK hynix gained 0.84 percent to 1.65 million won. SK Square, the parent of SK hynix, advanced 3.48 percent to 1.69 million won.

Chip components maker Samsung Electro-Mechanics jumped 7.16 percent to 1.18 million won after announcing a 454 billion-won supply deal for multilayer ceramic capacitors (MLCCs) for artificial intelligence servers to a U.S.-based customer.

Battery shares retreated on profit-taking after sharp gains the previous session.

LG Energy Solution plunged 9.61 percent to 362,000 won, and its smaller rival Samsung SDI sank 4.88 percent to 487,000 won.

The Korean won was quoted at 1,549.4 won per U.S. dollar as of 3:30 p.m., down 4.2 won from the previous session.

Bond prices, which move inversely to yields, closed higher. The yield on three-year Treasurys lost 3 basis points to 3.703 percent, and the return on the benchmark five-year government bonds fell 4 basis points to 3.925 percent.

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