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Oliver Buchannon
Koh K

Tech veteran helping self-directed investors build a work-optional growth portfolio

Weekly

NVIDIA owns the brain. Who builds the rest?

Jun 1, 2026

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4 min read

NVIDIA owns the brain. Who builds the rest?

A $9 billion business, a five-year clock, and the smaller names that scale on the same curve.

Koh K
Koh K

Weekly

Nearly 40 countries are now building on NVIDIA

May 31, 2026

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4 min read

Nearly 40 countries are now building on NVIDIA

Wall Street models the hyperscalers. Jensen kept pointing the analysts somewhere else entirely.

Koh K
Koh K

Tips

The companies NVIDIA, Google, and Amazon are betting on

May 28, 2026

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5 min read

The companies NVIDIA, Google, and Amazon are betting on

What the Mag 7's investments reveal about where AI is actually going

Koh K
Koh K

Weekly

NVDA quietly became a CPU company 🤫

May 27, 2026

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7 min read

NVDA quietly became a CPU company 🤫

Everyone covered Blackwell. Jensen said this other word four times, and it opens a $200 billion market.

Koh K
Koh K

Weekly

Three ways to play the on-device AI cycle, and the bear case against all of them

May 24, 2026

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6 min read

Three ways to play the on-device AI cycle, and the bear case against all of them

The companies positioned for edge AI, the strongest arguments against the thesis, and where we are in the cycle.

Koh K
Koh K

Tips

Google's $4 billion shopping list 🛍️

May 21, 2026

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4 min read

Google's $4 billion shopping list 🛍️

What Alphabet's SEC filing reveals about where tech is headed

Koh K
Koh K

Weekly

You used edge AI three times today. You probably didn't notice.

May 20, 2026

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4 min read

You used edge AI three times today. You probably didn't notice.

The next major AI investment cycle isn't in the cloud. It's already in your pocket.

Koh K
Koh K

Weekly

If the Strait of Hormuz Stays Closed: Where Portfolios Break — and Where They Don't

May 17, 2026

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9 min read

If the Strait of Hormuz Stays Closed: Where Portfolios Break — and Where They Don't

Oil shocks don't just hit energy. Memory fabs in Korea, airlines, EM cyclicals, and Europe all price this very differently. Here's how to think about risk in a tech-heavy book.

Koh K
Koh K

Tips

You don't need $20,000 to take a position in a $200 stock

May 14, 2026

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6 min read

You don't need $20,000 to take a position in a $200 stock

LEAPs let you control 100 shares of a high-conviction name for a fraction of the cost. Here's how I think about them.

Koh K
Koh K

Weekly

NVDA Earnings Preview: Follow the CapEx

May 11, 2026

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5 min read

NVDA Earnings Preview: Follow the CapEx

NVIDIA will almost certainly beat. That's not the question.

Koh K
Koh K

Tips

I got the thesis right and still lost money

May 8, 2026

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4 min read

I got the thesis right and still lost money

A framework for entering high-conviction stocks that already ran — without letting FOMO wreck your position.

Koh K
Koh K

Weekly

How I'm positioning a portfolio for the agentic re-rating (Part 3 of 3)

May 5, 2026

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9 min read

How I'm positioning a portfolio for the agentic re-rating (Part 3 of 3)

Where every name in your portfolio actually sits in the agentic shift — and how to identify them like a boss.

Koh K
Koh K

Weekly

Tokens are the new ARR (Part 2 of 3)

May 4, 2026

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5 min read

Tokens are the new ARR (Part 2 of 3)

The metric that built fifteen years of SaaS valuations is being replaced. Here's what's replacing it — and how to read it.

Koh K
Koh K

Weekly

Why Nadella just rewrote SaaS in one sentence (Part 1 of 3)

May 3, 2026

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10 min read

Why Nadella just rewrote SaaS in one sentence (Part 1 of 3)

Microsoft's CEO said the quiet part out loud — and it changes how to read every software earnings call from here.

Koh K
Koh K

Tips

The market doesn't care when you retire. You should.

Apr 30, 2026

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9 min read

The market doesn't care when you retire. You should.

Five questions to ask yourself if you're approaching — or already in — the most fragile decade of your investing life.

Koh K
Koh K

Weekly

GPUs aren't the only AI story anymore

Apr 28, 2026

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5 min read

GPUs aren't the only AI story anymore

When inference and agentic workloads scale, the silicon mix inside the AI rack rebalances. Most portfolios haven't priced this in.

Koh K
Koh K

Weekly

Hyperscalers are quietly turning semis into utilities

Apr 27, 2026

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5 min read

Hyperscalers are quietly turning semis into utilities

Buried in Intel's earnings Q&A was a contract structure that changes how to think about every semi name in your portfolio.

Koh K
Koh K

Weekly

Intel quietly revised one AI number by 10x

Apr 26, 2026

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6 min read

Intel quietly revised one AI number by 10x

They originally modeled it in "hundreds of millions." This week they revised to "billions per year." The investable surface is wider than it looks.

Koh K
Koh K

Tips

When your best investment becomes your biggest risk

Apr 23, 2026

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6 min read

When your best investment becomes your biggest risk

One stock making up 20%, 30%, 40% of your portfolio isn't just a win — it's a liability.

Koh K
Koh K
Anthropic's Mythos crushed cybersecurity stocks. I think the market read it backwards.

Apr 20, 2026

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4 min read

Anthropic's Mythos crushed cybersecurity stocks. I think the market read it backwards.

A scary "AI is going to kill cybersecurity" headline makes markets scared. The second-order read is a budget expansion story.

Koh K
Koh K

Weekly

TSMC just told you where $50+ billion is going. Most investors are looking at the wrong address.

Apr 16, 2026

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4 min read

TSMC just told you where $50+ billion is going. Most investors are looking at the wrong address.

The chip gets the headlines. The supply chain gets the contract.

Koh K
Koh K

Weekly

The AI bottleneck just moved. Most investors haven't noticed.

Apr 12, 2026

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3 min read

The AI bottleneck just moved. Most investors haven't noticed.

Copper still has a story — but the direction of travel is optical, and the supply chain opportunity is hiding in plain sight.

Koh K
Koh K

Weekly

How I found NVIDIA before it became obvious

Apr 7, 2026

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4 min read

How I found NVIDIA before it became obvious

The four-question filter I use to find companies built to last — not just built to grow.

Koh K
Koh K

Weekly

Why the "dip" is looking more like a trap 📉

Mar 30, 2026

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3 min read

Why the "dip" is looking more like a trap 📉

Everyone is saying "buy the low," but six major signals suggest the real floor is still a long way down. Here is how I’m playing defense.

Koh K
Koh K
Oil and your everyday living

Mar 25, 2026

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1 min read

Oil and your everyday living

Geopolitics and energy costs are "hidden" factors to monitor right now.

Koh K
Koh K
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