Semiconductor Stocks Shed $1.4 Trillion in Rout
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- Semiconductor stocks suffered their worst drop since April 2025 on Friday, June 5, 2026, erasing more than $1 trillion in market value as the AI trade buckled, according to Yahoo Finance's screen.
- Nvidia alone erased nearly $330 billion in market value, with Taiwan Semiconductor Manufacturing, Broadcom, and Micron each shedding more than $100 billion in the session.
- The Philadelphia Semiconductor Index (SOX) sank 10.3% and the iShares Semiconductor ETF (SOXX) tracked a similar drop — both posting their worst day since the aftermath of Liberation Day in April 2025.
- The S&P 500 snapped its nine-week winning streak with a 2.6% decline, but market internals were nearly balanced, with 238 advancers against 264 decliners, signaling a concentrated rather than systemic selloff.
- The Nasdaq 100 fell 4.8% with 33 advancers against 68 decliners, showing the carnage was heavily focused in the tech-heavy index rather than spread across the market.
- The iShares MSCI South Korea ETF (EWY) fell 14.1% — its worst day since March 2020 — as Samsung Electronics and SK Hynix dominate the fund, exposing stress in the memory and AI supply chain.
- A Yahoo Finance screen showed the chip group wiping out about $1.4 trillion, with the 10 biggest decliners accounting for $1.1 trillion of that hit.
Why it matters: The $1.4 trillion wipeout was concentrated in the AI trade rather than a broad market collapse, with the S&P 500's 2.6% decline masking nearly balanced internals (238 advancers vs. 264 decliners). Nvidia lost $330 billion alone, and the Philadelphia Semiconductor Index's 10.3% plunge matched its worst day since the post-Liberation Day aftermath in April 2025.
