Arm Holdings shares tumbled for a second straight session as a broad rotation out of artificial intelligence stocks erased nearly a fifth of the chip designer's market value in five days.
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Arm slides 19% this week as AI chip selloff deepens on spending fears
Arm Holdings shares tumbled for a second straight session as a broad rotation out of artificial intelligence stocks erased nearly a fifth of the chip designer's market value in five days.
Arm Holdings shares tumbled 4.7% to $349.03 on Wednesday, extending a weekly decline to 19% as investors rotated out of high-flying AI chip stocks on concerns that debt-funded spending by cloud hyperscalers may not deliver proportional returns.
"The market is repricing the timeline for AI monetization," said Dan Ives, managing director at Wedbush Securities. "Our channel checks across Asia show no cracks in the armor for enterprise AI demand, but the selloff reflects a pause after a near doubling in semiconductor stocks this year."
The Philadelphia Stock Exchange Semiconductor Index fell sharply on Tuesday, dragging down Nvidia, Advanced Micro Devices, Intel and Marvell Technology. Memory chipmakers Micron Technology and SanDisk each lost 13% in the prior session before recovering slightly on Wednesday. The Nasdaq Composite dropped 2.2% to 25,587.84, while the S&P 500 lost 1.45% to close at 7,364.37. The CBOE Volatility Index, Wall Street's fear gauge, hit an over-one-week high as traders priced in a second interest rate hike by the Federal Reserve by December.
The selloff shows a growing tension in AI markets: cloud providers including Microsoft, Amazon and Alphabet have committed tens of billions of dollars to AI infrastructure, much of it debt-financed, but investors are demanding evidence that those investments will generate returns. Arm, whose chip architecture powers processors from Apple to Nvidia, is caught in the crossfire despite Wall Street upgrades citing optimism around its AI central processing unit designs.
A Sector-Wide Reckoning on AI Spending
The rotation extended beyond Arm. Nvidia, the bellwether for AI chip demand, fell alongside peers as investors scrutinized the growing use of debt to fund AI buildouts. Elon Musk's SpaceX, which debuted in the bond market this month, joined a list of megacaps tapping debt markets to raise capital for expansion. Memory chipmakers were hit hardest: Micron and SanDisk, two of the best-performing stocks on the S&P 500 this year, each fell 13% on Tuesday before staging a partial recovery Wednesday.
In Asia, the selloff was even more pronounced. South Korea's Samsung Electronics and SK Hynix both plunged more than 12% on Tuesday before rebounding — Samsung gained 10% on Wednesday and SK Hynix added 1%. The Kospi Index rose 3.3% as technology shares recovered some losses. Japanese chip-equipment maker Tokyo Electron fell 4.2%, while Advantest edged down 0.7%.
For Arm investors, the question is whether the selloff represents a buying opportunity or the start of a deeper correction. Arm shares now trade well below their weekly highs, and Wall Street analysts have maintained bullish ratings, citing the company's expanding role in AI CPU designs for data centers. But the broader market is signaling caution: the Philadelphia Semiconductor Index's decline, combined with rising rate expectations, suggests that even strong secular growth stories face headwinds from macro tightening. Micron's earnings results, due Wednesday, could offer the next catalyst for the sector.
This article is for informational purposes only and does not constitute investment advice.
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