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Billionaire Warns: AI Investments Mirror Dot-Com
10 Jun
Summary
- Hedge fund manager Bill Ackman warns AI stock valuations are out of control.
- He sees parallels between AI's current surge and the dot-com bubble.
- Memory stocks, like those in the DRAM ETF, are seeing extreme volatility.

Recent years have seen a dramatic surge in artificial intelligence (AI) stocks, with investors showing strong enthusiasm for any company associated with AI technology. This includes businesses involved in data centers, chatbots, and memory components, which have become highly sought-after investments.
However, concerns are mounting over the escalating valuations of these AI-related companies. Prominent hedge fund manager Bill Ackman has drawn parallels between the current market fervor and the dot-com bubble of the past, cautioning investors against focusing solely on the latest trends. He noted that such a focus might lead to overlooking fundamentally sound, high-quality investments that are currently undervalued.
The Roundhill Memory ETF, which tracks memory stocks, exemplifies this trend. Despite launching in early 2026, it has already seen its value double due to shortages and increased demand driven by AI growth. Micron Technology, a major holding in the ETF, recently touched a $1 trillion valuation, though it has experienced significant price swings.
Ackman suggests that while the excitement around AI is palpable, investors should be wary of highly valued and volatile market segments. He implies that there are still well-valued stocks available, potentially offering more stable returns and less risk, particularly in sectors outside of the current tech hype.