Aswath Damodaran on the AI Spending Spree: Bubble, Boom, or Both? | #619 - The Meb Faber Show - Better Investing Recap

Podcast: The Meb Faber Show - Better Investing

Published: 2026-02-27

Duration: 1 hr 2 min

Summary

In this episode, Aswath Damodaran discusses the current state of AI investments and raises important questions about the sustainability of their valuations. He emphasizes the need for investors to critically analyze market expectations against real growth potential.

What Happened

The episode kicks off with Meb Faber welcoming Aswath Damodaran, a respected professor at NYU, back to the show. They reflect on the performance of the major tech stocks, particularly the 'Magnificent Seven,' with Damodaran noting he still holds five of them after shedding Tesla and NVIDIA. He explains his decision to part with Tesla was due to its transformation into a political investment, which made him uncomfortable as an investor. For NVIDIA, he articulated concerns over the sustainability of growth, indicating that he had taken profits over time and felt the stock had ridden the AI architecture wave to its peak.

As the conversation shifts towards predicting future market leaders, Damodaran compares the potential for companies like NVIDIA and Amazon to achieve a $10 trillion market cap. He argues that while NVIDIA has been a powerhouse in the chip market, it is still limited compared to Amazon's broad business model. He cautions against extrapolating current trends too far into the future, citing historical examples where expectations didn’t match reality, such as Microsoft during the dot-com boom. He emphasizes the importance of reverse-engineering market cap growth against revenue potential to assess the feasibility of such lofty valuations.

Key Insights

• Investors should be cautious about treating tech stocks as political investments.
• NVIDIA's growth may be limited after riding the initial AI wave.
• Amazon has broader potential for market cap growth compared to NVIDIA.
• Historical market trends can offer lessons on future performance expectations.

Key Questions Answered

What are the current challenges facing Tesla as an investment?

Aswath Damodaran highlights that Tesla has transformed into a political investment, which complicates its appeal to investors. He mentions that when purchasing decisions are influenced by political affiliations, it creates instability for the business. This led him to sell his shares in Tesla early in the year, indicating discomfort with the unpredictability surrounding its market due to these dynamics.

How does Damodaran assess NVIDIA's future growth potential?

Damodaran has been gradually selling off his shares in NVIDIA after initially investing in 2018. He believes that NVIDIA has captured most of the growth associated with the AI architecture wave, and he does not see substantial additional growth to justify its current valuation. This cautious approach reflects his view that the market may be overestimating NVIDIA's future growth capabilities.

What factors could lead a company to reach a $10 trillion market cap?

Damodaran discusses the vast gaps that exist between current market caps and the $10 trillion benchmark. He suggests that while companies like Amazon have the broadest business capabilities for achieving such growth, they must also navigate market realities and potential limits on revenue growth. His analysis stresses the need for investors to consider whether the market can sustain such valuations based on realistic revenue growth projections.

What historical examples does Damodaran use to illustrate market cap growth?

Damodaran references historical instances of companies reaching significant market caps, like how Microsoft was the first company to hit a $500 billion valuation during the dot-com boom, but faced a long period before another company approached that figure. This emphasizes the unpredictable nature of market expectations and the potential for corrections after initial bursts of growth.

How can investors evaluate the sustainability of high valuations in the tech sector?

Damodaran advises investors to reverse-engineer the required revenue growth needed to justify high market caps. By assessing whether a company's market can realistically support its current valuation, investors can better position themselves against the backdrop of market sentiment. This analytical approach encourages a more grounded assessment of companies rather than getting swept up in momentum or trends.