Howard Marks Says AI Stock Investing Is Closer to Speculation Than Analysis

Howard Marks said that investing in artificial intelligence stocks is closer to speculating than analysis during a recent appearance on Prof G Markets ^[1].

The warning from the Oaktree Capital Management co-founder suggests that the current market enthusiasm for AI may be detached from fundamental financial reality. As trillion-dollar valuations become common, the risk of a significant correction increases if the underlying technology fails to deliver expected returns.

Marks said that the AI build-out has minted trillions of dollars in fresh market value across Wall Street ^[2]. However, he said buyers are kidding themselves about what they actually own ^[2]. By prioritizing momentum over disciplined analysis, he suggests investors are treating these assets as lottery tickets rather than businesses with predictable cash flows.

This perspective aligns with earlier warnings from the investor. In March 2026, Marks said that AI is a stock bubble and a source of wealth destruction if investors do not treat it with the same caution as any other speculative craze ^[3].

Throughout the interview, Marks said the difference between an investment based on a calculated estimate of future value and a speculative bet on a trend is key. He said that the scale of the current AI boom has created an environment where the excitement of the technology obscures the actual risk of the investment ^[1].

While the build-out continues to drive growth for hardware and software providers, Marks said that the gap between market price and intrinsic value is widening. He said that the lack of rigorous analysis in the sector could lead to a volatile market shift as investors eventually seek tangible results to justify the trillions in added value ^[2].