But amid continuing conflicting signals from Washington and Tehran, U.S. stocks closed lower the previous day, with the Dow Jones Industrial Average down 0.18 percent, while the S&P 500 and Nasdaq fell 0.37 percent and 0.84 percent, respectively, as earlier optimism for a possible end to the conflict faded.
Among megacap tech stocks, Nvidia fell 0.25 percent and Amazon dropped 1.38 percent, while Tesla rose 0.57 percent and Apple edged up 0.06 percent. The Philadelphia Semiconductor Index rose 1.28 percent.
In Japan, Nikkei 225 rose 2.54 percent to 53,581.99 in morning trade. The stock gains are supported by improving economic fundamentals as the island country emerges from decades of deflation.
Corporate earnings have also been strong, with major listed firms expected to post record profits for a fifth consecutive year, supported by broad growth across semiconductors, services, and tourism.
Hong Kong's Hang Seng Index also gained 0.87 percent to 25,280.52, China's Shanghai Composite rose 1.78 percent to 3,881.28 and Taiwan's TAIEX rose 3.22 percent to 33,661.02.
In Seoul, the benchmark KOSPI rose 2.19 percent at the open, and the junior KOSDAQ gained 0.94 percent, before extending gains to trade up 3.18 percent to 5,730.30 and 3.23 percent at 1,157.49, respectively.
SK hynix shares rose after the chipmaker said it had filed for an initial public offering (IPO) with the U.S. Securities and Exchange Commission (SEC) the previous day, seeking a U.S. listing via American Depositary Receipts (ADRs), with plans to complete the listing within this year.
ADRs allow foreign companies to trade their shares on U.S. exchanges, providing broader access to global investors.
SK hynix shares were up 3.85 percent at 1,024,000 won in early morning trade.
Major KOSPI heavyweights traded broadly higher, led by chipmakers and autos. Samsung Electronics rose 2.74 percent to 194,900 won, Hyundai Motor advanced 2.85 percent to 506,000 won, and Kia rose 2.28 percent to 161,500 won. LG Energy Solution edged up 0.38 percent to 394,000 won.
SK Inc. rose 3.87 percent to 618,000 won, Samsung Biologics gained 3.10 percent to 1,595,000 won, and Hanwha Aerospace added 1.05 percent to 1,349,000 won. Doosan Enerbility climbed 1.35 percent to 101,450 won.
KB Financial Group advanced 2.65 percent to 150,800 won, Shinhan Financial Group rose 3.67 percent to 93,300 won, Mirae Asset Securities jumped 5.56 percent to 64,500 won, and Samsung Life Insurance climbed 3.38 percent to 229,500 won.
But HD Hyundai Heavy Industries fell 1.55 percent to 508,000 won, and Hanwha Ocean edged down 0.08 percent to 122,200 won.
In the KOSDAQ, Samchundang Pharm surged 11.22 percent to 1,041,000 won, leading gains. The rebound followed a brief pullback in the previous session on profit-taking after a five-day winning streak last week.
The won strengthened slightly to 1,493.70 per dollar from a previous close of 1,495.2.
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