South Korea's KOSPI surged nearly 4 percent on Tuesday, driven by renewed optimism over artificial intelligence and strong Wall Street performance. The rally came after Anthropic filed for its IPO, revealing a 1,300 percent surge in first-half revenue and plans to raise up to $100 billion. Semiconductor heavyweights like Samsung Electronics and SK hynix led the gains, while the Korea Exchange activated a buy-side sidecar to curb the rapid market surge.
The IPO filing also outlined safety risks tied to AI systems, sparking debate among institutional investors. U.S. public pension funds, including California's CalPERS, are now weighing the risks of heavy tech exposure after a resignation from Anthropic over AI concerns. Board member Lisa Middleton raised questions about relying on tech stocks for retirement savings.
On the earnings front, Rambus posted record third-quarter revenue of $218.3 million, with product revenue reaching $114 million, up 22 percent year over year. The company ended the quarter debt-free with $776.9 million in cash and guided fourth-quarter revenue to $227 million to $233 million.
Celestica delivered strong results as well, reporting third-quarter revenue of $5.83 billion, up 83 percent year over year. The company raised its 2026 outlook to $21 billion and forecast 2027 revenue of $40 billion, citing robust AI infrastructure demand from hyperscalers and frontier AI labs.
In Asia, China and Hong Kong stocks slid as AI and chip selloffs deepened. The CSI Semiconductor Index fell 2.2 percent to a six-month low, while the CSI Artificial Intelligence index dropped nearly 4 percent. The STAR50 index has lost roughly $480 billion in market value in under four months. Meanwhile, KDDI launched Elyza Robotics, pledging about $190 million toward physical AI research and aiming to deploy over 1,000 robots by fiscal 2030.
Elsewhere, Fanatics partnered with OpenAI to launch Shop the Look, a tool that helps shoppers find matching sports gear from a catalog of over 1.5 million items. Airbnb deployed AI to scan bookings and block Halloween parties, preventing 125 reservations during last year's Halloween weekend. Avante, a Seattle startup, raised $30 million to expand its AI benefits management tools, serving over 70 customers including Samsung Semiconductor and Zscaler.
On the regulatory front, lawmakers in 30 states passed 115 new AI laws in 2026, covering chatbot safety, frontier model rules, and AI personhood definitions, as Congress remained inactive. A survey in India found that half of property sales teams reported fewer festive bookings, with AI adoption growing rapidly among those that grew.
Key Takeaways
- <ul><li>South Korea's KOSPI rose nearly 4 percent, fueled by AI optimism following Anthropic's IPO filing seeking up to $100 billion</li><li>Anthropic reported a 1,300 percent surge in first-half revenue but also disclosed AI safety risks in its filing</li><li>Rambus posted record Q3 revenue of $218.3 million, with product revenue of $114 million up 22 percent year over year</li><li>Celestica forecast 2027 revenue of $40 billion, driven by AI infrastructure demand from hyperscalers and frontier AI labs</li><li>China's CSI Semiconductor Index fell 2.2 percent and the STAR50 index lost roughly $480 billion in under four months</li><li>KDDI launched Elyza Robotics, planning to invest about $190 million and deploy over 1,000 robots by fiscal 2030</li><li>Fanates partnered with OpenAI to launch Shop the Look, increasing recommended product views by 10 percent</li><li>Airbnb's AI blocking prevented 125 Halloween party bookings during last year's Halloween weekend</li><li>Avante raised $30 million to expand AI benefits management tools, serving over 70 customers including Samsung Semiconductor</li><li>30 U.S. states passed 115 new AI laws in 2026 while Congress remained inactive on regulation</li></ul>
South Korea KOSPI climbs 4 percent on AI optimism
South Korea's KOSPI rose 4.06 percent to above 5,690 on Tuesday. The gain was driven by renewed optimism over artificial intelligence and strong US stock performance. AI-related stocks rallied after Anthropic revealed strong revenue growth in its IPO filing. South Korea's GDP also grew 1 percent in the third quarter, exceeding forecasts. Hopes of easing Middle East tensions helped lower oil prices and supported investor sentiment.
Tech firms rally on Wall Street gains and Anthropic IPO
Technology firms rallied on Tuesday following a strong run-up on Wall Street. The mood improved after AI company Anthropic filed for its IPO, revealing a 1,300 percent surge in first-half revenue. Asian markets were mixed, with strong gains in South Korea and Japan but retreats in Hong Kong and Singapore. Investors are preparing for major corporate earnings and the Federal Reserve's interest rate decision. Anthropic's filing also outlined safety risks related to AI systems.
Seoul stocks rise nearly 4 percent on AI and oil news
South Korean stocks traded nearly 4 percent higher on Tuesday morning. The benchmark KOSPI rose 3.9 percent to 5,682.6, led by technology shares. Investor sentiment improved due to renewed AI optimism and falling oil prices. The Korea Exchange activated a buy-side sidecar to suspend program trading for five minutes due to the rapid surge. Major companies like Samsung Electronics and SK hynix also posted strong gains.
Seoul stocks rebound as Anthropic IPO revives AI sentiment
Korean stocks rebounded on Tuesday, led by semiconductor heavyweights. The KOSPI closed up 3.09 percent at 5,638.34. The rise followed reports that Anthropic filed for a US IPO seeking to raise up to $100 billion. This news eased concerns over the profitability of the AI industry. Foreign investors were net buyers while retail investors sold stocks. Investors also face a busy calendar of upcoming earnings reports and policy events.
Seoul stocks trade higher on renewed AI optimism
Korean stocks traded higher on Tuesday morning, led by technology shares. The KOSPI opened 3.46 percent higher and reached 5,682.6 by late morning. The Korea Exchange activated a buy-side sidecar at 10:13 a.m. after the market surged. Investor sentiment improved following Anthropic's IPO filing and falling oil prices. Samsung Electronics and SK hynix led the gains, while the Korean won strengthened slightly against the US dollar.
Rambus reports record Q3 revenue driven by AI and data center demand
Rambus posted record third-quarter 2026 revenue of $218.3 million and non-GAAP diluted EPS of $0.84. Product revenue reached $114 million, up 22% year over year, while operating cash flow hit a record $102.5 million. The company ended the quarter debt-free with $776.9 million in cash and marketable securities. Rambus guided fourth-quarter 2026 revenue to $227 million to $233 million and non-GAAP EPS to $0.84 to $0.92.
Celestica shares surge on strong Q3 results and $40 billion 2027 outlook
Celestica reported third-quarter revenue of $5.83 billion, up 83% year over year, and adjusted EPS of $3.30. The Connectivity and Cloud Solutions segment revenue rose 102% to $4.87 billion. The company raised its 2026 revenue outlook to $21 billion and issued a 2027 revenue forecast of $40 billion, citing strong AI infrastructure demand from hyperscalers and frontier AI labs.
China and Hong Kong stocks fall as AI and chip shares keep sliding
China and Hong Kong stocks slipped as a selloff in AI and chip names outweighed better September industrial profits. The CSI Semiconductor Index fell 2.2% to a six-month low while the CSI Banks Index rose 0.8%. The People's Bank of China announced a swap facility to provide emergency funding to non-bank financial institutions facing large-scale redemptions.
China tech stocks plunge deepening AI trade cracks
China's CSI Semiconductor Industry index tumbled nearly 6% to its lowest level since April, while the CSI Artificial Intelligence index fell almost 4%. The STAR50 index has lost roughly 40% in less than four months, wiping out about $480 billion in market value. The selloff raises concerns about whether Wall Street's tech rally could face similar pressure ahead of big tech earnings.
KDDI launches Elyza Robotics with $190 million physical AI plan
KDDI and its AI subsidiary Elyza launched Elyza Robotics, planning to invest about $190 million in physical AI research and deploy over 1,000 robots by fiscal 2030. The company will develop robot foundation models and deployment platforms, testing industrial robots, quadrupeds and humanoids in retail, logistics and manufacturing. KDDI aims to build a physical AI organization of more than 300 specialists to address projected labor shortages in Japan.
Half of property sales teams see fewer festive bookings as AI use grows
A survey of 63 real estate organisations in India found that 50.8% reported lower festive bookings this year. Among the 15 teams that grew, 14 use AI to manage leads. About two-thirds of all organisations already use AI, and most non-users plan to adopt it soon. Buyer budget concerns and long follow-up processes remain major challenges.
Seattle startup Avante raises $30M for AI benefits management tools
Avante, a Seattle startup, raised $30 million led by Frist Cressey Ventures. Its AI agents help corporate benefits teams compare contracts, review plan documents and answer employee questions. The company serves over 70 customers including Samsung Semiconductor and Zscaler, reaching more than 385,000 employees. Avante plans to expand internationally and build more AI agents.
Fanatics uses OpenAI tool to improve sports merchandise shopping
Fanatics launched Shop the Look, an AI tool built with OpenAI's Codex. It helps shoppers find matching sports gear from a catalog of over 1.5 million items. The tool increased recommended product views by 10%. Fanatics Commerce manufactures over 45 million items yearly and sells in more than 180 countries.
Airbnb deploys AI to block Halloween parties at rental properties
Airbnb is using AI to scan bookings and identify reservations that may lead to large parties. The technology considers factors like proximity to the rental and last-minute bookings. After violent incidents at Indianapolis rentals, the company says it prevented 125 bookings during Halloween weekend last year. The AI aims to protect hosts, guests and neighbors.
U.S. pension funds face uncertainty as AI reshapes tech investments
U.S. public pension funds, including California's CalPERS, are grappling with the risks of heavy technology investments in an AI-driven economy. A resignation from Anthropic over AI fears sparked debate among pension administrators. Board member Lisa Middleton raised concerns about relying on tech stocks. The future of retirement savings may depend on whether AI benefits or disrupts markets.
30 states pass 115 new AI laws in 2026 report
The Transparency Coalition found that lawmakers in 30 states passed 115 AI-related laws in 2026. Congress did not act, so state governments took the lead. The new laws cover chatbot safety, frontier AI model rules, and definitions of personhood for AI systems. The report calls for more state and federal action on AI regulation.
Sources
- South Korea Shares Rebound on AI Optimism
- Tech firms track Wall St rally on mixed day for Asian markets
- Seoul stocks trade nearly 4 pct higher Tues. morning on renewed AI optimism
- Seoul stocks rebound as Anthropic IPO revives AI investment sentiment
- Seoul stocks trade nearly 4% higher Tuesday morning on renewed AI optimism
- Rambus Posts Record Q3 Revenue as AI Demand Lifts Product Sales
- Celestica stock soars as AI infrastructure demand fuels $40B 2027 sales outlook
- China Stocks Slip As AI Shares Extend Their Slide
- China tech stocks plunge as AI trade cracks deepen, is Wall Street next?
- Japan's KDDI Launches Elyza Robotics With $190M Physical AI Investment Plan
- 50.8% of property sales teams report lower festive bookings, 14 of 15 growth teams use AI
- Seattle startup Avante raises $30M to bring AI agents to corporate benefits teams
- Fanatics deploys AI shopping tool with OpenAI for sports merchandise sales
- Airbnb using AI to crack down on Halloween parties after violence at Indy rentals
- U.S. Pensions Are Riding the A.I. Wave. For Better or Worse.
- Transparency Coalition’s 2026 AI Legislation Report finds 115 new laws in 30 states — Transparency Coalition. Legislation for Transparency in AI Now.
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