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SOXL ETF Plunges 15% on AI Slowdown Calls

By Stocks Desk · 2026-09-14 · 2 min read
A close-up view of a silicon wafer with a grid of square chips
Illustration: Tradingbird

Direxion's 3x leveraged semiconductor fund dropped sharply after major AI leaders called for a development pause, hitting top holdings like Nvidia and AMD.

The Direxion Daily Semiconductor Bull 3X Shares ETF (SOXL) suffered a 14.97% decline on Tuesday, driven by a coordinated shift in sentiment among top artificial intelligence executives. The loss was amplified by the fund's three-fold leverage on the underlying semiconductor sector, which reacted negatively to public calls for a slowdown in AI development.

Leaders from SpaceX AI, Anthropic, and OpenAI issued warnings regarding the rapid pace of AI advancement, advocating for a coordinated pause. This narrative directly pressured the earnings outlook for hardware suppliers, causing immediate sell-off pressure across the chip supply chain.

Top Holdings Drive Fund Losses

Micron, Advanced Micro Devices, and Nvidia constitute the three largest positions in the ETF, according to Direxion. Shares of these companies fell by 5.02%, 4.09%, and 2.71% respectively during the trading session. The collective drop in these core assets accounted for the majority of the fund's negative performance.

Broader weakness was evident among other major constituents. Marvell Technology and Applied Materials both declined by approximately 6%, with Applied Materials dropping 6.48% and Marvell falling 5.68%. This broad-based decline across the top ten holdings compounded the impact of the ETF's leverage structure, resulting in the significant intraday loss.

Market Reaction to AI Leadership

The sell-off followed statements from Elon Musk, Dario Amodei, and Sam Altman over the weekend. Each executive expressed concern about the speed of AI capability growth, suggesting that a deliberate deceleration in development timelines might be necessary. Investors interpreted these remarks as a potential reduction in future demand for high-performance computing hardware.

Competitive Dynamics Remain Intense

Despite the pessimistic sentiment, competitive pressures from China continue to drive hardware demand. The global race to advance AI capabilities ensures that semiconductor manufacturers remain critical to national technological strategies. This underlying demand provides a structural floor for the sector, even as short-term sentiment fluctuates based on executive commentary.

Market participants are advised to monitor actual corporate actions rather than rhetorical positions. The extent to which major AI labs reduce their capital expenditure on chips will be the definitive indicator of the sector's trajectory. Until concrete budget cuts are announced, the fundamental need for advanced semiconductors remains strong.

Based on reporting by The Motley Fool, compiled by the Tradingbird desk.

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