US AI Chip Stocks Slump: SanDisk, Micron, and AMD Face Sharp Selloff

Wall Street witnessed a significant correction in the semiconductor sector as investors began reassessing the lofty valuations of artificial intelligence leaders. The selloff triggered a broader decline in the technology sector, threatening to erase trillions in market value.

Semiconductor Giants Lead the Market Decline

The semiconductor industry, which has been the primary engine of the recent AI-driven bull market, faced a brutal session on Tuesday. Memory-chip manufacturers emerged as the hardest hit, signaling a shift in investor sentiment. SanDisk led the downfall with a staggering 12% plunge, followed closely by Micron Technology, which dropped 9%.

The volatility extended to other major players; AMD saw its shares fall by 5%, while Intel lost nearly 7%. Western Digital also faced significant downward pressure, sliding approximately 8%. This widespread decline suggests that the rally in memory chips—driven by the massive demand for AI servers and data centers—is facing its first major test of sustainability.

Nasdaq 100 and the Broader Tech Correction

The weakness in chipmakers acted as a catalyst for a larger tech-led retreat. Futures linked to the Nasdaq 100 fell by approximately 2.5%, a move that put the index on track to wipe out more than $1 trillion in market capitalization. The contagion spread across the "Magnificent Seven" tech giants, with six of the seven companies trading lower.

Even high-profile AI-linked listings like SpaceX were not immune. SpaceX shares fell an additional 3.6%, continuing a three-day losing streak that has erased over $600 billion from its valuation. This comes shortly after the company's massive Nasdaq debut, during which it briefly dipped below the $2 trillion valuation mark.

Scrutiny Over AI Spending and ROI

The primary driver behind this market correction is a growing skepticism regarding the Return on Investment (ROI) of massive AI capital expenditures. Tech behemoths including Microsoft, Amazon, Alphabet, and Meta have committed hundreds of billions of dollars toward building AI infrastructure, including data centers and advanced computing capacity.

While the demand for AI technology remains undeniably strong, market participants are now demanding clearer evidence that these astronomical investments will translate into sustainable revenue and long-term profitability. Investors appear to be moving into a "show me" phase, choosing to lock in substantial gains rather than betting on the continued rapid appreciation of AI-linked stocks without immediate bottom-line results.

Key Takeaways

  • Heavy Losses in Chipmakers: SanDisk (-12%), Micron (-9%), and Intel (-7%) led a massive selloff in the semiconductor sector due to valuation concerns.
  • Broader Tech Impact: The Nasdaq 100 faced a sharp decline, with the broader technology sector seeing a significant reduction in total market value.
  • Focus on AI Profitability: Investors are increasingly questioning whether the massive capital commitments by Big Tech will generate the necessary returns to justify current stock prices.