In-depth equity research on under-the-radar quality compounders, built around ROIIC, reinvestment runway and valuation. Readers get company deep dives, updated IRR/CAGR ranges for a portfolio, and explanations of the valuation framework behind them.
Website: https://thecompoundingtortoise.substack.com
Long-form posts on equity markets, interest rates, corporate earnings and valuation, backed by historical data and charts. Readers get a detailed, data-driven look at what is driving markets and how businesses should be valued.
Long-form equity research memos on small and mid-cap space, semiconductor, hardware and defense technology stocks, built from primary filings, federal award records and orbital data. Each piece includes valuation context, bull and bear cases, and dated tripwires to watch.
Groundbreaker is a finance newsletter that argues today's AI boom mirrors the 2006-2008 subprime mortgage crisis, using analysis of reset schedules, price dynamics, and earnings quality. Readers get a contrarian, historically grounded framework for judging whether apparently cheap, growing AI-sector valuations hide the same kind of borrowed or unsustainable earnings.
In-depth analyses of AI and semiconductor supply chains, covering topics such as co-packaged optics testing, Chinese LLM economics and laser vendor competition. Each issue maps the vendors, prices, production stages and bottlenecks, and names the listed companies involved.
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