Asian shares extend rally on AI momentum and KOSPI recovers 4,000-mark.

By Kim Yeon-jae Posted : November 27, 2025, 11:30 Updated : November 27, 2025, 13:59
Graphics by AJP Song Ji-yoon
Graphics by AJP Song Ji-yoon

SEOUL, November 27 (AJP) - Asian equity markets maintained their positive momentum on Thursday, driven by persistent optimism surrounding the Artificial Intelligence (AI) sector and a growing global conviction that US interest rates may soon ease.

The KOSPI in Seoul led the charge, reclaiming the psychologically significant 4,000-point mark to trade 1.4 percent higher at 4,017, reclaiming the 4,000-point mark for the first time in five days. Sentiment improved after the Bank of Korea raised its annual growth outlook and held rates steady, a coordinated move with fiscal authorities to help stabilize the Korean won.

The KOSDAQ gained 0.5 percent to 881.6.

Institutional investors — seen as responding to government pressure to support won demand — led the rally with net purchases of 215.7 billion won ($147 million). Foreign investors also remained net buyers from the opening bell, adding 182.1 billion won. Retail investors booked profits, offloading 400.7 billion won.

The won traded at 1,466 per dollar, up 4.5 won from the previous day.

Market leaders Samsung Electronics and SK hynix advanced simultaneously for the first time in weeks. Samsung Electronics gained 2 percent to 105,000 won, while SK hynix jumped 5.7 percent to 555,000 won, reclaiming the key 550,000-won level as Nvidia shares rebounded overnight.

Energy names tracked chipmakers higher. Doosan Enerbility climbed 1.67 percent to 79,000 won, extending its upward run on the strength of its wide portfolio spanning large nuclear reactors, small modular reactors and gas turbines.

Robot stocks — essential to semiconductor production — also rose. Doosan Robotics gained 3.5 percent to 74,400 won, while KOSDAQ-listed Rainbow Robotics, a Samsung Electronics affiliate, climbed 3.5 percent to 386,500 won.

Biotech shares were mixed. Samsung Epis Holdings, newly spun off from Samsung Biologics, surged 15 percent to 418,000 won, easing concerns about undervaluation. Celltrion was little changed at 186,500 won.

In Japan, the Nikkei 225 climbed 1.35 percent to 50,230. Semiconductor names led gains, with Advantest up 4.5 percent at 20,340 yen ($130.6) and Ibiden up 5.7 percent at 11,525 yen. Materials producer Denka, known for fluorine gas used in wafer cleaning, rose 5 percent to 2,670 yen.

Taiwan’s TAIEX edged up 0.67 percent to 27,593. Chip sentiment was mixed: TSMC traded flat at 1,445 Taiwan dollars ($46.2), as reports surfaced that Alphabet plans to outsource key semiconductor packaging to Intel. MediaTek gained 3.1 percent to 1,340 Taiwan dollars, extending its rally on expectations it will benefit from Alphabet’s AI chip roadmap.
On the mainland, Shenzhen outperformed with the tech-heavy SZSE Component up 1.03 percent to 13,043. The Shanghai Composite added 0.4 percent to 3,880.

Hong Kong’s Hang Seng Index inched up 0.2 percent to 25,989, with gains capped after a deadly apartment fire in Tai Po on Wednesday left at least 44 people dead and forced the cancellation of corporate events across the city.
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