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Stock Bookworm

A newsletter focusing on long term investing, fundamental analysis, and business topics.

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Is Something Fundamentally Wrong with Copart?

Jun 29, 2026

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5 min read

Is Something Fundamentally Wrong with Copart?

New Competition, Macro Woes, and a Surprise CEO Shake-up

The Flywheel of Scale Economies Shared: From Costco to Nubank

Jun 11, 2026

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4 min read

The Flywheel of Scale Economies Shared: From Costco to Nubank

Nubank’s Surprising Similarities With Costco

Stock Bookworm
Stock Bookworm
Ferrari: Brand Evolution vs Dilution

Jun 4, 2026

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4 min read

Ferrari: Brand Evolution vs Dilution

Is Ferrari’s moat—its powerful brand—at risk from the company’s first electric vehicle, the Luce?

Stock Bookworm
Stock Bookworm
Nike: An Underperforming Giant

Sep 17, 2024

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8 min read

Nike: An Underperforming Giant

Stock Bookworm
Stock Bookworm
Why I am not orienting my portfolio around AI

May 20, 2024

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8 min read

Why I am not orienting my portfolio around AI

Stock Bookworm
Stock Bookworm
Why I'm Bullish on Nu Holdings

Jan 19, 2024

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9 min read

Why I'm Bullish on Nu Holdings

Stock Bookworm
Stock Bookworm
Which Industries Will Benefit from EVs?

Nov 30, 2023

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11 min read

Which Industries Will Benefit from EVs?

Stock Bookworm
Stock Bookworm
Costco: An Amazing Business Model

Sep 22, 2023

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8 min read

Costco: An Amazing Business Model

Stock Bookworm
Stock Bookworm
Rivian and Lucid: Future Leaders or Laggards?

Aug 7, 2023

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10 min read

Rivian and Lucid: Future Leaders or Laggards?

Stock Bookworm
Stock Bookworm
Stock Bookworm

Stock Bookworm

A newsletter focusing on long term investing, fundamental analysis, and business topics.


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