Concerns over an inflating artificial intelligence (AI) bubble have resurfaced as two former White House economic advisers highlighted risks in AI-related stock valuations. Jared Bernstein and Ryan Cummings pointed to soaring market enthusiasm for AI companies while cautioning that the bubble is still enlarging, raising alarms about the sustainability of recent gains.
Their analysis focused on three prominent AI-linked stocks—Nvidia, SpaceX, and Micron Technology—each showing distinct market reactions despite the bearish outlook. Nvidia and Micron recorded gains despite the warnings, while SpaceX shares declined, reflecting a market divide on investor confidence in AI firms.
Bernstein and Cummings detailed how technology investment now represents a significant percentage of the US economy, exceeding levels seen during the dot-com bubble, driven strongly by AI development. They underscored that heavy spending on AI efforts by tech giants is depleting cash reserves, which could pressure valuations in the future. This spending surge contrasts with the enthusiasm fueling stock price surges, raising questions about underlying financial health.
Meanwhile, key investment players are adjusting their AI exposure. BlackRock announced a pullback from front-runner AI stocks, opting instead to favor secondary beneficiaries in the AI ecosystem. This shift targets firms providing AI infrastructure rather than developers of AI technologies themselves. For example, Bitcoin miner TeraWulf, which leased its data center to an AI startup on a long-term contract, represents the kind of infrastructure-focused company attracting new investment attention.
The performance of Nvidia’s shares defied the cautious sentiment, closing trading with a significant rise despite volatile geopolitical conditions. Its price movement indicated strong buying pressure and an ongoing upward trend supported by technical indicators, suggesting potential for further gains approaching recent highs.
Conversely, SpaceX shares slipped below their initial NASDAQ offering price, signaling investor unease amid the broader AI market skepticism. Despite this, a late surge driven by large purchases from investment firm ARK Invest injected some momentum, offering a potential rebound if the stock can maintain key support levels. The stock’s short-term trajectory remains uncertain, balancing between psychological resistance and downside risk.
Micron Technology, while marked by more modest gains, also stood firm in the face of bearish projections, illustrating the complex dynamics within AI-related equities. Its stock movement appeared somewhat insulated from broader fears, reflecting differentiated investor views on individual company fundamentals versus sector-wide concerns.

