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🧠 The Survival Rule That Now Kills Sea Turtles

June 24, 2026
🧠 The Survival Rule That Now Kills Sea Turtles
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Welcome to Long-Term Mindset, the Wednesday newsletter that helps you invest better.

Today's Issue Read Time: <2 minutes

  • Lesson: Evolution isn't on your side
  • Timeless Content: How to Think Like an Equity Analyst
  • Stock Dive: A full breakdown of Robinhood Markets, Inc.
  • Resource: The AI token bill comes due...

Which stock should we research live next?​

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Next Tuesday (June 30th) at 12:00 PM (Noon) EDT, we'll research a stock live, and we want you to pick the stock.

Which stock should we research live?
DOCN - Digital Ocean
GH - Guardant Health
RIVN - Rivian Automotive
TTD - The Trade Desk

We'll announce the winner on Sunday, June 28th.

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Friends,

As I've talked about in the past, I (Stoffel, here) spend a good chunk of every winter with my family in Costa Rica. One of the biggest draws for tourists is watching sea turtles lay their eggs, then -- two months later -- watching those same eggs hatch.

But actually watching this is much harder than you might think. These turtles have for millennia abided by a simple rule to survive:

Crawl towards the bright, open horizon [which is the ocean]

Simple rule, simple result: turtles survived and thrived.

A "mismatch" to a new environment

But over the 150 years, that has changed. Artificial light -- street lights, smartphone cameras, etc. -- creates an equally attractive bright horizon. But it leads to disaster.

Same rule, different outcome. What was once as reliable as gospel becomes the very thing that threatens someone's survival. There's a fundamental mismatch between the foundational environment and the present environment.

The same thing happens to humans, too. Children who grow up in abusive environments learn that other humans aren't safe and they have to fend for themselves. That helps keep them safe in the foundational environment, but makes bonding and entering into communities (potential "present" environments) difficult without psychological intervention.

Applied to investing

This has very real implications for us investors. Consider:

  • If your foundational investing environment was the Great Recession of 2008, you may have quit investing altogether. Which is too bad, because the current environment has returned 1,400% since then.
  • If your foundational investing environment was overly focused on asset-light models (think: SaaS), the current environment's focus on asset-heavy industries (think: energy, semiconductors, etc) has left you in the dust.

We've certainly been guilty of the second one -- and we're continually evaluating how this is playing out. It can be a bit bewildering.

However, instead of being a burden, we actually think this phenomenon underscores one of the greatest benefits of being an individual investor. You are forced to constantly calibrate whether the lessons you learned in the past still apply to the present.

If you take those lessons and apply them to all of the other areas of your life, there's a much better chance for social, emotional, and psychological growth. Over the long run, we think that's a pretty good deal.

Wishing you investing success,

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Brian Feroldi, Brian Stoffel, & Brian Withers

Long-Term Mindset

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One piece of timeless content

We are always studying how other investors invest, so we were pretty excited when we found Morningstar's Think Like an Equity Analyst blog post, which dives into its stock research process. You may note how similar the process is to what we do with Stock Simplifier.

One resource

As tech-forward enterprises embrace AI tools for their office staff, the ROI question is becoming a louder drumbeat. TechCrunch's "The token bill comes due: Inside the industry scramble to manage AI’s runaway costs" dives into this sticky question.

One Stock Dive

​Fiscal.ai has enabled premium users to generate AI-powered stock research reports. This week, Robinhood Markets, Inc. (NASDAQ: HOOD), which operates a financial services platform, is on our radar.

Yes! I Want The Research Report!

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Brian Feroldi

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Brian Stoffel

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Brian Withers

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