Tech Narratives Decoded: ChatGPT Meets Metafoura.com
- Joseph Mezrich
- May 13
- 2 min read
Shifts in factor effectiveness signal deeper market narrative changes--specifically, what investors are pricing. The charts here show how ROE, ROIC, and R&D/Sales have influenced Tech stock performance in the S&P 500 over the past three years and the last three months.
What do these shifts suggest now? A brief exchange with ChatGPT helped clarify the story. An intriguing idea emerged: 'Tariff Uncertainty and Strategic Autonomy' - see bottom of the transcript. It's an example of AI supporting equity research.
I used Metafoura.com to uncover these factor shifts. You can explore sector and market-wide factor narratives at Metafoura.com. Bring your favorite AI.
THE TRANSCRIPT
Prompt:
I've noticed a shift in tech stock selection factors. From late 2022 to mid-2024, the market was strong. In tech, ROIC outperformed ROE, while R&D/Sales was heavily rewarded. After a sharp drop in July 2024, the market didn't stabilize until September. Since then, R&D/Sales lost its edge, ROE became effective, and ROIC lagged. What explains this shift--especially with AI in the backdrop?
ChatGPT:
Late 2022 to Summer 2024: The AI-Driven Innovation Boom
AI enthusiasm surged after late 2022, favoring ROIC and R&D/Sales as investors rewarded reinvestment in innovation. ROE lagged, reflecting less concern for near-term shareholder returns or financial leverage.
Post-September 2024: A Return to Fundamentals
As the market stabilized, the narrative shifted from "AI moonshots" to execution and monetization. Investors favored firms delivering returns now, not just future growth.
Follow-up Prompt:
Over the past three months, ROE and ROIC have lagged, while R&D/Sales has outperformed. Thoughts?
ChatGPT:
The outperformance of R&D/Sales suggests investors are again prioritizing strategic reinvestment--especially in AI. Likely drivers:
1. AI Capital Spending Surge
- Major tech firms ramped up spending on AI infrastructure--custom chips, data centers, models.
- Short-term ROE and ROIC dipped due to upfront costs, but investors see such spending as a necessary moat.
- R&D/Sales signals innovation and long-term dominance--ROE can't capture forward-looking value.
2. Tariff Uncertainty and Strategic Autonomy
- Rising trade policy concerns (since Feb. 2025) tilt attention toward self-reliance and IP ownership.
- High R&D/Sales firms are better positioned to develop in-house capabilities, reduce supply chain risk, and align with industrial policy shifts.
- Firms optimizing for ROIC or ROE--often outsourcing--may appear fragile in this environment.

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