Cerebras shares rebounded after OpenAI CEO Sam Altman called the chipmaker a close partner on social media. Altman said the two companies have deep engagement pushing the frontiers of speed. The stock had dropped after OpenAI said it would use Nvidia GPUs for its latest AI models. Cerebras market cap now sits above $39 billion, down from $95 billion at its May IPO.
Micron is benefiting from strong AI-driven demand for memory. The company reported fiscal Q4 2026 net income of $37.7 billion, up from $3.2 billion a year earlier. Micron has signed 26 strategic customer agreements covering over 35% of expected revenue through 2030 and expects tight memory supply through 2028.
Lam Research sees major NAND growth from AI storage needs. Its NAND served available market per wafer is expected to double from 128-layer to 500-plus-layer devices. In Q4 fiscal 2026, Lam's NAND revenues doubled sequentially and total revenues reached a record $6.72 billion.
Schneider Electric agreed to buy PTC for $23.7 billion in cash at $205 per share. PTC makes engineering and factory software used in manufacturing. Meanwhile, Meta and Microsoft are steering employees away from Anthropic's Claude toward their own AI tools, giving Big Tech a strong advantage in enterprise AI.
Impel's Sales AI has handled over one million car dealer leads in the UK. Over half came in the last 12 months across more than 300 dealership sites. The system generated 15,237 appointments and saved dealer customers 313,142 hours of sales executive time.
OpenAI President Greg Brockman reportedly canceled a $25 million donation to the super PAC Leading the Future. House Progressive Caucus Chair Greg Casar called it a victory against AI preemption and AI super PACs.
Ghost raised an $11 million seed round led by Andreessen Horowitz for its personal AI computer called Core. The device costs $3,499 and includes an Nvidia RTX Pro 4000 SFF Blackwell GPU with three AI models preinstalled. Preorders are open now with shipping scheduled for late October.
Primitive Labs received a Sony Innovation Fund investment for its AI behavior models. The company builds models that represent how people form goals, change beliefs, and make decisions. Its Instinct platform creates simulated customer populations from user research and behavioral data. The founders previously worked at Amazon Web Services.
IKEA's Ingka Group retrained 8,500 call center workers into remote design sales advisors after introducing AI chatbot Billie in 2021. By July 2026, Billie could assist 74% of customers who used it. The remote sales channel generated $1.37 billion in fiscal 2025, growing 15% to 20% annually.
NVIDIA, Salesforce, Adobe, Qualcomm, and Jabil are buying back shares by the billions. These buybacks signal confidence in the companies' financial strength as the tech sector shifts toward heavier infrastructure spending.
Key Takeaways
- Cerebras stock rebounded 6.3% after OpenAI CEO Sam Altman called the company a close partner, though its market cap remains down from $95 billion at IPO to $39 billion.
- Micron reported fiscal Q4 2026 net income of $37.7 billion, up from $3.2 billion a year earlier, with 26 strategic customer agreements covering over 35% of expected revenue through 2030.
- Lam Research saw NAND revenues double sequentially in Q4 fiscal 2026, with total revenues hitting a record $6.72 billion driven by AI storage demand.
- Schneider Electric is acquiring PTC for $23.7 billion while Meta and Microsoft steer employees away from Anthropic's Claude toward their own AI tools.
- Impel's Sales AI has handled over one million automotive leads in the UK, generating 15,237 appointments and saving 313,142 hours of sales executive time.
- OpenAI President Greg Brockman reportedly rescinded a $25 million donation to the super PAC Leading the Future.
- Ghost raised $11 million led by Andreessen Horowitz for Core, a $3,499 personal AI computer with an Nvidia RTX Pro 4000 SFF Blackwell GPU and three preinstalled AI models.
- Primitive Labs secured Sony Innovation Fund investment for AI behavior models; its founders previously worked at Amazon Web Services.
- IKEA retrained 8,500 call center workers into remote design sales advisors after its AI chatbot Billie reached 74% customer assistance capability.
- NVIDIA, Salesforce, Adobe, Qualcomm, and Jabil are conducting share buybacks in the billions, signaling confidence amid heavier infrastructure spending.
Cerebras stock rises after Sam Altman confirms close partnership with OpenAI
Cerebras stock climbed 6.3% in premarket trading after OpenAI CEO Sam Altman called the chipmaker a close partner. Altman reassured investors that Cerebras is pushing frontiers of speed with deep engagement. The stock had fallen after OpenAI said it would use Nvidia GPUs for its latest AI models. Cerebras market cap is now over $39 billion, down from $95 billion at its May IPO.
Analyst warns Cerebras AI chip stock is too expensive to buy
Bullseye American Ingenuity Fund portfolio manager Adam Johnson warned investors to avoid Cerebras stock. He cited the company's lack of current profitability and high valuation compared to Nvidia. His comments came as Cerebras stock jumped over 6% in premarket trading. The rise followed OpenAI CEO Sam Altman calling Cerebras a close partner.
Cerebras shares rebound as Altman calls company a close partner
Cerebras shares recovered after OpenAI CEO Sam Altman posted on X that Cerebras is a close partner. Altman said the two companies have deep engagement pushing on the frontiers of speed. The stock had been under pressure since mid-August when OpenAI chose Nvidia GPUs for its latest models. The Cerebras WSE-3 Turbo is noted as the largest AI chip ever built.
Micron AI memory boom could outlast expectations, analysts say
AI workloads are driving strong demand for high-bandwidth memory and standard DRAM, and Micron is well positioned to benefit. Micron reported fiscal Q4 2026 net income of $37.7 billion, up from $3.2 billion a year earlier. The company has signed 26 strategic customer agreements covering over 35% of expected revenue through 2030. Micron expects the memory industry to remain tightly supplied through 2028.
Lam Research sees big NAND growth opportunity from AI storage demand
Lam Research expects its NAND served available market per wafer to double from 128-layer to 500-plus-layer devices. AI models require more persistent storage, driving demand for high-density NAND. In Q4 fiscal 2026, Lam Research NAND revenues doubled sequentially and total revenues hit a record $6.72 billion. Competitors Applied Materials and KLA Corporation are also benefiting from AI-driven memory spending.
Schneider Electric to buy PTC for $23.7 billion as Big Tech restricts AI tools
Schneider Electric agreed to buy PTC for $23.7 billion in cash at $205 per share. PTC makes engineering and factory software used in manufacturing. Meanwhile, Meta and Microsoft are steering employees away from Anthropic's Claude toward their own AI tools. Controlling which AI assistants employees use gives Big Tech a strong advantage in enterprise AI.
Impel's Sales AI handles over one million car dealer leads in the UK
Impel's Sales AI has handled more than one million automotive leads since launching in the UK. Over half of those leads were processed in the last 12 months across more than 300 dealership sites. The technology generated 15,237 appointments and handled 6.3 million customer messages. Impel says this saved dealer customers 313,142 hours of sales executive time.
OpenAI President cancels $25 million super PAC donation, progressives celebrate
OpenAI President Greg Brockman reportedly rescinded a $25 million donation to the super PAC Leading the Future. House Progressive Caucus Chair Greg Casar called it a victory against AI preemption and AI super PACs. The cancellation was seen as the people pushing back against big money in AI politics.
Ghost founder raises $11 million for personal AI computer called Core
Zain Javaid, 19, founded Ghost and raised an $11 million seed round led by Andreessen Horowitz. Ghost's first product is Core, a personal computer designed for AI agents that costs $3,499. Core includes an Nvidia RTX Pro 4000 SFF Blackwell GPU and comes with three AI models preinstalled. Preorders open now with shipping scheduled for the last week of October.
Primitive Labs gets Sony Innovation Fund investment for AI behavior models
Primitive Labs announced a Sony Innovation Fund investment to advance AI models of human behavior. The company builds models that represent how people form goals, change beliefs, and make decisions. Its platform called Instinct creates simulated customer populations from user research and behavioral data. Primitive Labs was founded in 2026 by Rohit Talluri, Jean Farmer, and Gabriel Fong, who previously worked together at Amazon Web Services.
IKEA Retrained 8,500 Call Center Workers Into Design Sales After AI
Ingka Group introduced an AI chatbot named Billie in 2021 to handle routine customer service inquiries. By July 2026, Billie could assist 74% of customers who used it. Instead of cutting staff, Ingka retrained 8,500 call center agents to work as remote interior design sales advisors. In fiscal 2025, this remote sales channel generated $1.37 billion in sales, growing 15% to 20% annually for three years.
5 AI Stocks Buying Back Shares by the Billions
NVIDIA, Salesforce, Adobe, Qualcomm, and Jabil are buying back their own shares by the billions. These companies support AI-era investment with strong cash flow and solid balance sheets. The tech sector is shifting toward heavier infrastructure spending. These buybacks signal confidence in the companies' financial strength.
Preserving Mathematical Reasoning in Compressed Diffusion Language Models
Diffusion language model compression faces challenges because calibration is done on clean activations while inference uses partially masked states. Researchers proposed Traj-MC to estimate trajectory second moment through Monte Carlo sampling. This trajectory-aware calibration improves reconstruction and preserves more mathematical reasoning than clean calibration. The code is available publicly for further research.
Sources
- Cerebras stock climbs 6% after Sam Altman calls the chipmaker a 'close partner'
- Cerebras Systems: Adam Johnson warns the AI chip stock is too expensive
- Cerebras stock pops after OpenAI CEO Altman lauds 'close partner'
- Micron (MU): AI Memory Boom Could Outlast Your Expectations
- AI Drives Storage Demand: Will It Boost Lam Research's NAND Growth?
- Schneider Electric Moves To Buy PTC As AI Stocks Split
- Impel's Sales AI has handled more than one million car dealer leads as adoption accelerates
- Tech: Casar celebrates AI PAC setback
- At 19, Ghost founder raises $11 million to build a $3,499 computer for your personal AI
- Primitive Labs Announces Sony Innovation Fund Investment to Advance AI Models of Human Behavior
- IKEA Retrained 8,500 Call Center Workers Into Design Sales After AI: $1.37 Billion Followed
- Follow the Money: 5 AI Stocks Buying Back Shares by the Billions
- Preserving Mathematical Reasoning in Compressed Diffusion Language Models via Trajectory-Aware Low-Rank Approximation
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