Is memory truly cyclical, or has the AI data center boom changed the rules? In Part 2 of the How CSI Invests series, Nick and Kasey tackle one of the most debated questions among semiconductor investors by walking through the investment thesis checklist step that asks: what kind of business cycle does this company actually have?

Rather than labeling companies simply cyclical or non-cyclical, the framework breaks businesses into short cycle, long cycle, and non-cyclical categories based on how closely revenue tracks changes in GDP growth. A short cycle business sees revenue move quickly with the economy, while a long cycle or non-cyclical business continues growing steadily regardless of macro conditions.

The traditional eleven sectors of the economy do not map cleanly onto this framework, and Nick and Kasey explain why semiconductors, SaaS, telecom carriers, and ad-driven internet platforms can all fall in very different places even within the same official sector.

The episode applies this framework to six real companies. Micron is examined as a short cycle business currently in year two of a strong memory upcycle, with historical precedent for these cycles to run several years. Intuitive Surgical is discussed as a long cycle healthcare hardware business tied to product generation launches. Vertex Pharmaceuticals is presented as a genuinely non-cyclical pharmaceutical company with steady growth. NextEra Energy represents the utilities sector and one of the longest cycles of all. Credo Technologies, a newer public company, is evaluated as likely short cycle, with a look at its fiscal 2027 guidance calling for eighty percent revenue growth and fifty percent adjusted profit margins.

Finally, Palo Alto Networks is broken down as a cyclical business once acquisitions like CyberArk and Chronosphere are stripped out, with commentary on CEO Nikesh Arora's view that cybersecurity is constantly chasing the next emerging risk.

The episode closes with the revenue analysis questions CSI uses for every company: who the primary customers are, whether revenue is concentrated, what is actually being monetized, why customers choose to spend money with that company over alternatives, and what risks could disrupt the business. Understanding these fundamentals is what allows an investor to tune out noisy debates about whether a cycle has "changed forever" and instead build real conviction in a

business.

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