The Great AI Web: How The Magnificent Seven Are Quietly Investing in Each Other — And Why It Smells Like a Bubble
- CA Sagar Pujari

- Nov 4, 2025
- 3 min read

Every bubble begins as a breakthrough.
In the 1920s, it was radio.In the 1990s,
it was the Internet.
In 2025 — it’s Artificial Intelligence.
But this time, it’s not startups fueling the frenzy. It’s seven giants who already own the future.
Act I – The Circle Forms
They call them The Magnificent Seven: Microsoft, Apple, Amazon, Alphabet (Google), Meta, Tesla, and NVIDIA.
Together they now make up roughly one-third of the entire S&P 500’s market cap (~33–37%) [Visual Capitalist 2025]. But their strength no longer comes from competition — it comes from mutual reinforcement. They’ve quietly built a financial and technological spider web that connects them all.
Here’s how it spins. NVIDIA builds the chips powering every major AI model. Microsoft, Amazon, and Google buy those chips to run their AI clouds. Microsoft invests billions in OpenAI, which runs exclusively on Microsoft Azure — using NVIDIA GPUs. Amazon and Google counter by investing in Anthropic, locking its models into their clouds. Meta spends $70–72 billion (2025 guidance) on data centers to train its open-source AI models — again, powered by NVIDIA. Apple integrates generative AI into every product while depending on the same chip and data supply chain.
Every dollar one spends becomes another’s revenue. Each “record AI investment” headline justifies the next.That’s not a market — that’s a feedback loop.
Act II – When Competition Turns Into Collusion
This isn’t rivalry anymore — it’s interdependence.
Microsoft’s multibillion-dollar OpenAI deal bought more than access — it bought narrative control. Google and Amazon’s investments in Anthropic are defensive chess moves to keep AI compute inside their own clouds. And NVIDIA’s stock surge pulls index ETFs higher, which in turn buy more NVIDIA, Microsoft, and Alphabet.
Seven players. One table.And they’re all betting with each other’s chips.
Act III – The Illusion of Infinite Growth
These companies are spending more than $350–$400 billion annually on AI infrastructure [Reuters 2025].
Alphabet: CapEx ~ $91–93B (2025 guidance)
Meta: CapEx ~ $70–72B
Microsoft, Amazon, Google: collectively >$200B on data centers
The logic is seductive: “We’re building the future — so costs don’t matter.”But when everyone builds the same future, the air gets thin at the top.
Act IV – The Self-Fueling Market
Every dollar that enters an S&P 500 ETF automatically buys these seven names. As their prices rise, their index weight increases → which forces passive funds to buy even more → which drives prices higher.
A perfect reflexive loop — price drives buying, buying drives price.
NVIDIA sells GPUs → Microsoft’s Azure expands → their stocks rise → ETFs buy more → repeat.It’s prosperity on autopilot — until the loop breaks.
Act V – The Warning Beneath the Shine
History whispers the same warning: every revolution starts with innovation — and ends with speculation.
Today’s AI web isn’t just an ecosystem — it’s a mirror maze. Every reflection makes the others look richer, safer, inevitable. But beneath the reflections lie harder questions:
Who’s earning real profits from this spending?What if AI monetization slows or regulation bites?How diversified is your portfolio if the same seven companies fund each other?
When one mirror cracks, the whole maze shakes.
Epilogue – The Intelligent Investor’s Reflection
AI may well transform humanity.But for an intelligent investor, the question is brutally simple: What’s my return on investment?
Because ideas can change the world —but stocks must change your wealth.
So before chasing the next AI headline, ask yourself:Am I investing in innovation — or just investing through it?
Your real risk doesn’t lie in missing the story. It lies in believing it too much.
Sources:
Here are direct links to the key sources I referenced:
Chart showing the NVIDIA + “Magnificent Seven” stocks’ share of the S&P 500 market cap:Charted: Magnificent 7 Market Cap as a Share of the S&P 500 (Visual Capitalist) Visual Capitalist
Report on Big Tech’s AI infrastructure spending and returns:“Big Tech, big spend. But big returns?” (Reuters, 3 Nov 2025) Reuters
Article covering Meta Platforms’ (Meta) 2025 capex guidance:Meta to spend up to $65 bln this year to power AI goals (Reuters, Jan 2025) Reuters
Report on Alphabet Inc. raising its 2025 capex to ~$91-93 billion:AI turned Google Cloud from also-ran into Alphabet’s growth driver (Reuters, Oct 2025) Reuters
Article on the massive scale of global AI data‐centre build-out:Boom or bubble? Inside the $3 trillion AI datacentre spending spree (The Guardian, Nov 2025)



Comments