Asian stock markets slipped on Monday as chipmaking shares fell sharply following OpenAI's decision to pause training for some of its most capable AI models. The company said the pause followed a security incident involving an internal research model and that it was strengthening safety controls. OpenAI also confirmed that its largest planned frontier reinforcement-learning run remains on hold.
The move reignited concerns about a potential slowdown in the AI sector. South Korea's SK Hynix dropped 4.8% and Samsung Electronics fell 4.6%, while Japan's Kioxia Holdings declined 2.3%. In China, Cambricon Technologies lost 5.7%, Luxshare Precision fell 4.9%, SMIC dropped 3.6%, and NAURA Technology slipped 3.3%. Taiwan Semiconductor Manufacturing Co. declined 3.4% and semiconductor prices fell 2.4%.
Notably, executives including Anthropic CEO Dario Amodei and OpenAI CEO Sam Altman have recently backed calls for a more measured pace of AI development, adding weight to the conversation around safety and responsible deployment.
Separately, NVIDIA announced a dual-layer AI safety system on September 28, 2026. The system monitors what resources AI agents can access and shuts them down if they violate rules. Justin Boitano, NVIDIA's VP of Enterprise AI, said the technology could have prevented the Hugging Face breach, signaling the company's push beyond traditional chip production into AI safety solutions.
On the macroeconomic front, Chinese President Xi Jinping and US President Donald Trump met from September 22 to 25 and reached eight agreements. Among them, the two countries agreed to establish a China-US AI Dialogue with the next round set for November 2026, along with a bilateral communication channel for AI-related incidents. The US and China militaries also agreed to conclude a memorandum of understanding on crisis communication.
In other developments, AMD briefly hit a $1 trillion market value after shares rose nearly 13%. CNBC analyst Jim Cramer praised CEO Lisa Su, noting that demand for CPUs is expected to grow because of agentic AI. AMD continues to compete with Nvidia in the AI chip market.
Investor Steve Eisman warned that Big Tech financing methods resemble those from the Enron era. He pointed to companies like Oracle and Meta using special-purpose vehicles and guarantees to fund AI growth, suggesting the possibility of a tech industry bubble similar to the 2008 financial crisis.
AI server stocks also faced pressure from rising interest rate expectations and inflation concerns. Super Micro Computer fell 5%, Dell dropped 5%, and Hewlett Packard Enterprise declined 3%. Despite strong AI demand, higher financing costs are weighing on these stocks.
Key Takeaways
- OpenAI paused training, evaluation, and inference with tool use for its most capable models following a security incident involving an internal research model.
- Asian chip stocks fell sharply, with SK Hynix down 4.8%, Samsung Electronics down 4.6%, and Cambricon Technologies down 5.7%.
- Anthropic CEO Dario Amodei and OpenAI CEO Sam Altman recently backed calls for a more measured pace of AI development.
- NVIDIA launched a dual-layer AI safety system on September 28, 2026, designed to control AI agent resources and shut down rule-breaking agents.
- China and the US agreed to establish a China-US AI Dialogue scheduled for November 2026 and a bilateral communication channel for AI-related incidents.
- AMD briefly reached a $1 trillion market value after shares rose nearly 13%, driven by growing CPU demand tied to agentic AI.
- Investor Steve Eisman warned that Oracle and Meta's financing methods resemble Enron-era practices and could signal a tech bubble.
- AI server stocks dropped on rate and inflation fears, with Super Micro and Dell both falling 5% and HPE declining 3%.
- The US and China militaries agreed to conclude a memorandum of understanding on crisis communication as soon as possible.
- OpenAI confirmed its largest planned frontier reinforcement-learning run remains on hold while safety controls are strengthened.
Asia stocks fall as oil prices jump and chipmakers drop on OpenAI pause
Most Asian shares fell on Monday as oil prices rose and bond yields climbed. U.S. President Donald Trump rejected an Iranian proposal to reopen the Strait of Hormuz, pushing Brent Oil Futures above $106 a barrel. U.S. 30-year Treasury yields reached 5.5185%, near their highest since 2004. Chipmakers dropped sharply after OpenAI paused training of some advanced AI models to strengthen safety controls.
Asian chip stocks fall as OpenAI pause sparks AI slowdown worries
Asian chipmaking stocks fell on Monday after OpenAI paused training, evaluation and inference with tool use for its most capable models. South Korea's SK Hynix fell 4.8% and Samsung Electronics dropped 4.6%, while Japan's Kioxia Holdings declined 2.3%. In China, Cambricon Technologies fell 5.7%, Luxshare Precision lost 4.9%, SMIC dropped 3.6% and NAURA Technology fell 3.3%. OpenAI said the pause followed a security incident involving an internal research model.
Asian chip stocks slide as OpenAI pauses advanced AI model training
Asian chip stocks fell as OpenAI paused training, evaluation and inference with tool use for its most capable models while strengthening safety controls. The move revived fears of a slowdown in the AI sector. Taiwan Semiconductor Manufacturing Co. fell 3.4% and semiconductor prices dropped 2.4%. OpenAI said the pause followed a security incident involving an internal research model and that its largest planned frontier reinforcement-learning run remains on hold.
Asian chip stocks fall amid OpenAI pause and AI development debate
Asian chipmaking stocks fell on Monday as concerns grew over the pace of AI development after OpenAI paused training for some of its most capable models. South Korea's SK Hynix fell 4.8%, Samsung Electronics dropped 4.6% and China's Cambricon Technologies fell 5.7%. OpenAI said the pause followed a security incident involving an internal research model. Executives including Anthropic CEO Dario Amodei and OpenAI CEO Sam Altman recently backed calls for a more measured pace of AI development.
China and US agree on trade and AI cooperation framework
Chinese President Xi Jinping and US President Donald Trump agreed to build a constructive relationship of strategic stability during Xi's state visit to the United States from September 23 to 25. The two sides reached eight deliverables and understandings, including agreements on Iran's nuclear commitments and international waterways. They also agreed to establish a China-US AI Dialogue scheduled for November 2026 and a bilateral communication channel for AI-related incidents. The Chinese and US militaries agreed to conclude a memorandum of understanding on crisis communication as soon as possible.
China and US agree on strategic stability and AI cooperation
Chinese President Xi Jinping and US President Donald Trump met from September 22 to 25 and reached eight agreements. The two countries agreed to build a constructive relationship based on respect and fairness. They also agreed to create a China-US AI Dialogue with the next round set for November 2026. Trade and security topics were also discussed.
Gordon Chang warns about China supporting Iran and AI rivalry
Gordon Chang, a senior fellow at the Gatestone Institute, discussed US-China relations in a Fox Business interview. He addressed President Trump urging Xi Jinping to stop aiding Iran after a military incident on September 8. The panel also covered the new AI communications channel and the effects of biotech tariffs.
Combe adopts Oracle Fusion for smarter supply chain planning
Consumer goods company Combe is using Oracle Fusion Cloud to improve supply chain planning with embedded AI. The project replaces separate country-based systems with one unified platform. Accenture Edge helped lead the effort for mid-market companies. The new system helps track inventory, plan materials, and automate routine tasks across global operations.
AMD hits $1 trillion market value and experts see more growth
Advanced Micro Devices briefly reached a $1 trillion market value after shares rose nearly 13%. CNBC analyst Jim Cramer praised CEO Lisa Su for turning the company around. He believes demand for CPUs will grow because of agentic AI. AMD is also competing with Nvidia in the AI chip market.
Steve Eisman says Oracle and Meta financing resembles Enron
Investor Steve Eisman, known for The Big Short, warned that Big Tech financing methods look like those from the Enron era. He said companies like Oracle and Meta use special-purpose vehicles and guarantees to fund AI growth. Eisman believes this could signal a tech industry bubble similar to the 2008 financial crisis.
NVIDIA Launches Dual-Layer AI Safety System
NVIDIA announced a new dual-layer AI safety system on September 28, 2026. The system controls what resources AI agents can use and shuts them down if they break rules. Justin Boitano, NVIDIA's VP of Enterprise AI, said this technology could have prevented the Hugging Face breach. The move shows NVIDIA is expanding beyond traditional chip production into AI safety solutions.
Okta AI Agent Opportunity Grows Amid Valuation Questions
Okta emerged from its Oktane 2026 conference with a stronger AI narrative and saw analyst price-target increases. The company is expanding its opportunity in securing AI agents. Investors are debating whether Okta's stock price already reflects this growth potential. The main question is whether there is still room for the stock to grow.
Experts Discuss AI Impact on Financial Markets and Economy
Professor Itay Goldstein and other experts discussed whether AI will transform the global economy or if markets are moving too fast. The panel included Maryam Farboodi from Cornell and Jesús Fernández-Villaverde from Penn. They explored whether the AI boom reflects rational expectations or optimistic speculation. The discussion was part of the Future of Finance series on AI and financial markets.
AI Server Stocks Drop on Rate and Inflation Fears
Shares of Super Micro Computer, Dell, and Hewlett Packard Enterprise fell sharply by 5%, 5%, and 3% respectively. The sell-off was driven by rising interest rate expectations and inflation concerns rather than company-specific news. Super Micro traded at USD 41.78, Dell at USD 542.07, and HPE at USD 61.56 on September 28, 2026. Despite strong AI demand, higher financing costs are pressuring these stocks.
Sources
- Asia stocks slip as oil, yields rise; chipmakers hit by OpenAI pause
- Asia chip stocks slide as OpenAI pause revives AI slowdown fears
- Asia chip stocks slide as OpenAI pause revives AI slowdown fears
- Asia chip stocks slide as OpenAI pause revives AI slowdown fears
- China US agree on trade AI cooperation
- China US agree on strategic stability trade and AI cooperation
- Gordon Chang warns of China's ongoing support for Iran, AI competition
- Oracle Fusion drives supply chain planning for Combe
- AMD briefly joined the $1 trillion club. Cramer says its monster run isn’t over
- Oracle, Meta Financing Methods Mirror Enron Era, Steve Eisman Says
- NVIDIA Launches AI Safety System to Prevent Security Breaches
- Okta (OKTA)’s AI Agent Opportunity Is Expanding. Is the Stock Already Pricing It In?
- AI, Financial Markets, and the Economy
- AI server stocks Super Micro, Dell, and HP Enterprise drop sharply as rate fears hit tech rally
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