AI Investing Lab
AI Investing Lab shows you which tools to use, which prompts to run and how to research smarter. Practical. Tested. Free to start. Subscribe for the best AI investing workflows, every week.
- Indexed issues, last 90 days
- 6
- Latest publication
- Sep 28, 2026
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- Earliest in this view
- Jul 7, 2026
Latest issues
The 3 Claude prompts I run after every earnings report (opens the original)
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You own a stock and it just reported earningsThe headline says beat, the stock jumps and you feel great …Or the headline says miss, the stock drops and you start refreshing your screen.Either way, you probably learned very little about what you actually care about:whether the reasons you bought it are still true.That is what this post is abuot. An earnings report is the one moment when a company hands you fresh evidence about your thesis on a schedule. Most of us use it to check the score. I use
Reading a 10-K like an analyst instead of skimming it (opens the original)
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Very few people read a 10-K front to back. Even analysts, portfolio managers, the person who fild it don’t read it.You open it, ctrl+F the word “revenue” skim the MD&A until your eyes glaze over somewhere in the middle of the liquidity section and close the tab telling yourself you got the important parts.Most of the time you did. Filings are long because the law requires certain things to be in there, not because every paragraph is equaly worth your attention.But the parts that actually move a
How I use AI to research a stock from scratch, in one sitting (opens the original)
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Everybody starts to reserach a stock with good intentionsYou get through the first part, start forming a view and then something else takes priority .Work, a call, life in general..You come back to it two days later and you’ve lost the thread. So you skim the rest instead of reading it properly, glance at a couple of headlines, and make a decision on maybe sitxy percent of the picture.Two things can happen from here and both are versions of the same regret.Either you buy anyway, on the incomplet
The pre-mortem I run with Claude before I buy anything (opens the original)
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Most investors fall in love with a story before they’ve tried to break it.You read the pitch, the numbers line up, the narrative feels cleanAI Investing Lab is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.<div class="fake-input-wrap
The chip trade and the hyperscaler trade just went their separate ways (opens the original)
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Chip stocks are having one of their best stretches in years. The companies buying those chips are having one of their worst.That split shouldn’t happen if the AI story is as unified as it looks on the surface. Chipmakers sell to hyperscalers. Hyperscalers selll AI services to everyone else. If one leg of that chain is struggling, the other leg usually feels it too, eventually.Instead, memory names have been on a tear….Micron’s market cap crossed a trillion dollars. Meanwhil
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