Technology stocks endured a brutal Tuesday as mounting concerns about an artificial intelligence bubble sent investors for the exits. The Nasdaq Composite Index plummeted 2.5% at the opening, while the broader S&P 500 slid roughly 1% as panic spread across the sector.
Memory chip and data storage companies took the heaviest losses, extending sharp declines that had already rippled through Asia overnight. South Korea's KOSPI index dropped 10%, dragging down Samsung Electronics and SK Hynix, two of the world's largest memory chip producers. The sell-off quickly reached U.S. shores. Micron Technology fell more than 10%, storage maker Sandisk plunged over 12%, and hard disk drive manufacturers Seagate Technology and Western Digital both lost roughly 8%.
These companies have been among the biggest winners of the AI infrastructure race. As demand for computing power surged, memory chips and storage devices that were once treated as cheap commodity parts suddenly became scarce and expensive. Datacenters stockpiled inventory to support massive language models and AI training operations, creating unprecedented pricing power for suppliers.
The sell-off extended to other parts of the tech universe. SpaceX, which began trading just under two weeks ago with an opening price of $150, briefly dipped below that level on Tuesday. The aerospace company has captured investor attention not just for rockets but for its orbital data center ambitions, which many see as the next frontier of AI infrastructure.
Bubble talk has circulated in markets for months, but this marks one of the more significant single-day pullbacks tied directly to AI concerns. Whether this represents a genuine revaluation of inflated expectations or simply a temporary market adjustment remains unclear. The question facing investors now is whether the reality of AI spending can match the price tags companies are commanding in the market.
Author James Rodriguez: "When the crowd that bought every AI story at any price finally questions the bill, watch how fast consensus cracks."
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