Deep-Dive Stock Research.
Documenting the journey to long-term compounding.

See what we’ve
written lately

The $650 Billion Bet: How Cloud and AI Infrastructure Really Make Money

And who gets burned if the AI bubble deflates Every week a new headline announces another hundred billion dollars flowing into AI datacenters. Microsoft, Amazon, Google, and Meta have collectively pledged over $650 billion in capital expenditure for 2026 alone — more than the GDP of Sweden. Investors are simultaneously thrilled...

Coming soon

This is Diary of a Compounder, a brand new site by Tommaso Tabarelli that's just getting started. Things will be up and running here shortly, but you can subscribe in the meantime if you'd like to stay up to date and receive emails when new content...

You’ve successfully subscribed to DIARY OF A COMPOUNDER
Welcome back! You’ve successfully signed in.
Great! You’ve successfully signed up.
Success! Your email is updated.
Your link has expired
Success! Check your email for magic link to sign-in.