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- 💰 Nvidia Hits $4T — But What’s Next?
💰 Nvidia Hits $4T — But What’s Next?
PLUS: Grammarly Acquires Superhuman ✍️

Today’s Highlights:
Nvidia nears $4T valuation
Ilya Sutskever returns as CEO of Safe AI
Grammarly acquires Superhuman
OpenAI pauses for a week
Meta eyes stake in AI VC NFDG
AI tool of the day
Latest AI and tech news
Read Time: 4 mintue
LATEST AI NEWS
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NVIDIA

Nvidia is now just steps away from making history. On Tuesday, its market cap soared to $3.92 trillion, briefly overtaking Apple’s all-time high, as investors doubled down on the AI chipmaker powering the global AI revolution.
The Details:
Nvidia’s shares rose 2.2% to $160.6, pushing its market cap beyond Apple’s peak of $3.915T
The company’s high-end AI chips power most leading models, creating explosive demand
Nvidia is now more valuable than all UK-listed companies combined and exceeds the Mexican and Canadian stock markets
It trades at 32x forward earnings, down from a 5-year average of 41x, as earnings estimates continue to climb
Microsoft and Apple trail behind with market caps of $3.7T and $3.19T, respectively
Why it matters:
This is more than just a market milestone. Nvidia is becoming the foundation of AI infrastructure, with its chips powering everything from advanced research to billion-dollar data centers. Its dominance shows no signs of slowing down.
GRAMMARLY
Grammarly just made a major move to upgrade how professionals interact with AI at work, by acquiring Superhuman, the high-speed email client once valued at $825 million.
The Details:
Grammarly announced the Superhuman acquisition Tuesday, though no financial details were disclosed
Superhuman was founded by Rahul Vohra, Vivek Sodera, and Conrad Irwin and raised $114 million from a16z, IVP, and Tiger Global
The startup recently launched AI features for replies, scheduling, and inbox organization
Superhuman’s CEO and team will join Grammarly to integrate agent workflows into the email interface
Grammarly’s CEO says email is the ideal space to orchestrate AI agents, since it’s where users spend most of their workday
Why it matters:
Grammarly wants to turn email into a command center for AI. With Superhuman’s speed and design plus Grammarly’s AI, users could soon have writing, scheduling, and communication agents working in sync, directly inside their inbox. It’s a smart bet that the future of productivity won’t be in a new app, but in the ones we already live in every day.
SAFE SUPERINTELLIGENCE
OpenAI co-founder Ilya Sutskever has taken over as CEO of Safe Superintelligence, the $32 billion AI startup he launched last year. Co-founder Daniel Gross has exited the company, and fellow co-founder Daniel Levy will step into the role of president.
The Details:
Daniel Gross officially departed on June 29, with Sutskever stepping into the CEO role
Sutskever says the company has no plans to sell, despite reported acquisition interest from Meta
Zuckerberg was in talks to hire Gross and Nat Friedman, both longtime AI collaborators
Safe Superintelligence is solely focused on building a safe and powerful AI system, with no other products
Sutskever emphasized the team has the compute and talent to “keep building safe superintelligence”
Why it matters:
This leadership shift could shape the future of one of the most ambitious AI efforts to date. As Sutskever takes full control, the pressure will rise to deliver on the promise of safe superintelligence while competing against giants like Meta and OpenAI.
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AI & TECH NEWS
After top researchers jumped ship to Meta, an OpenAI engineer called it a “huge loss” in a viral post that was later deleted. OpenAI responded by mandating a week-long break for all staff. The moment highlights the emotional cost behind the AGI race and Meta’s growing edge in recruiting elite talent.
Japanese startup Sakana AI has launched AB-MCTS, a system where multiple AI models like ChatGPT and Gemini team up to solve problems. Each model handles what it does best, and they fix each other’s mistakes. It beat solo models in tests. Devs can try it out using Sakana’s new TreeQuest tool.
Meta plans to buy a minority stake in NFDG, the venture firm launched by its new AI recruits Nat Friedman and Daniel Gross. The deal includes a secondary tender offer for existing investors and shows Meta’s growing interest in shaping the early-stage AI landscape.
Elon Musk’s xAI got permits for 15 gas turbines at its Memphis site, capable of 247 MW, but watchdogs say it’s already running unpermitted units. Formaldehyde emissions and shaky air testing have sparked Clean Air Act lawsuits and community backlash.
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