An electronic board showing the Korea Composite Stock Price Index at a dealing room of the Hana Bank headquarters in Seoul on Wednesday. (Yonhap)
An electronic board showing the Korea Composite Stock Price Index at a dealing room of the Hana Bank headquarters in Seoul on Wednesday. (Yonhap)

Seoul shares opened higher Wednesday, as gains in major chipmakers offset lingering concerns over escalating tensions in the Middle East and rising oil prices.

After opening 0.26 percent higher, the benchmark Korea Composite Stock Price Index extended gains, trading 65.98 points, or 0.93 percent, higher at 7,019.5 as of 9:15 a.m.

Overnight, US stocks ended lower amid heightened Middle East tensions and rising oil prices, while the Philadelphia Semiconductor Index bucked the trend, gaining 1.3 percent on continued artificial intelligence optimism.

Global oil prices extended gains amid concerns over potential supply disruptions following another round of strikes on energy infrastructure in the Middle East.

In Seoul, tech heavyweights led the gains.

Market bellwether Samsung Electronics rose 0.37 percent, while chip giant SK hynix went up 1.78 percent.

Top automaker Hyundai Motor increased 0.78 percent, while defense firm Hanwha Aerospace advanced 2.43.

Hanwha Ocean gained 4.18 percent after the shipbuilder said it had been selected as the preferred bidder for a Royal Thai Navy frigate project worth about $500 million.

The Korean won was trading at 1,339.4 won against the US dollar as of 9:15 a.m., up 3.4 won from the close of the previous stock trading session. (Yonhap)