- The unveiling of OpenAI’s next-generation AI model, 'GPT-6 Astra,' revived expectations for increased AI infrastructure investment, sending South Korean semiconductor stocks broadly higher.
- Major semiconductor stocks including Samsung Electronics, SK Hynix, DB HiTek, and Samsung Electro-Mechanics posted gains and moved higher together.
- Expectations for the arrival of AGI and the deployment of 400,000 Nvidia GPUs are fueling hopes for stronger demand for memory including HBM, extending gains in semiconductor stocks in South Korea and abroad.
OpenAI’s GPT-6 Astra Lifts Korean Chip Stocks, With Samsung and SK Hynix Up Sharply
OpenAI’s GPT-6 Astra reportedly lifted South Korean chip stocks, with Samsung Electronics and SK Hynix rising sharply. The move highlights investor attention on AI-related semiconductor demand.
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Sep 7, 2026 at 12:45 AM UTC · 2 分で読める
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3.91% Samsung Electronics gain
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South Korean semiconductor stocks climbed across the board early Sept. 7 after OpenAI unveiled its next-generation artificial intelligence model, reviving expectations for another round of spending on AI infrastructure.
Samsung Electronics was up 3.91% at 265,500 won in morning trading, while SK Hynix rose 5.46% to 1,737,000 won. SK Square gained 5.67%, Samsung Electronics preferred shares added 2.30%, DB HiTek jumped 12.90%, and Samsung Electro-Mechanics advanced 3.34%.
The catalyst was OpenAI’s new AI model, GPT-6 Astra, introduced on Sept. 3. OpenAI President Greg Brockman said Astra can handle most tasks humans perform on computers and described it as an early stage of artificial general intelligence, or AGI.
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