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Semiconductor Stocks Fall Ahead of SK Hynix Debut — Micron Slides 2.3% as Rotation and Sell-the-News Risk Emerge

Chip stocks declined in Friday's early session ahead of SK Hynix's US trading debut, with Micron Technology slipping roughly 2.3% and the VanEck Semiconductor ETF falling modestly from Thursday's 2.5% gain. Analysts attribute the pullback to rotation — investors rebalancing out of existing chip positions to fund SKHYV allocations — alongside heightened sell-the-news risk after SpaceX's June IPO created a similar dynamic. The Nasdaq composite hovered near flat as markets await the new listing's opening print.

Dow Gains 83 Points to Record High as Dow Rotates Away from AI Chips — S&P 500 and Nasdaq Fall 0.2% and 0.7%

The Dow Jones Industrial Average rose 83 points, or 0.2%, to a fresh all-time intraday high, while the S&P 500 fell 0.2% and the Nasdaq Composite declined 0.7% as investors rotated out of semiconductor names following Samsung's disappointing revenue guidance. Micron fell 5%, the VanEck Semiconductor ETF dropped more than 3%, and chipmakers including KLA, Marvell, Broadcom, and AMD all declined. Gains in JPMorgan, Microsoft, Eli Lilly, and Walmart offset selling pressure in the broader market.

Tech Stocks Rebound After Holiday with Nasdaq-100 Futures Up 1% — AI Chip Slide Pauses as SMH Gains 2.4% Pre-Market

Nasdaq-100 futures climbed 1% and S&P 500 contracts rose 0.4% Monday as technology stocks rebounded from a late-June AI chip pullback that had briefly wiped $1 trillion in semiconductor market value. The VanEck Semiconductor ETF rose 2.4% pre-market. Last week, the Dow gained 2%, the S&P 500 added 1.8%, and the Nasdaq rose 2.1%, capping the best quarter since 2020. Monday's advance is also supported by Foxconn's record Q2 revenue print and the SpaceX Nasdaq-100 inclusion mechanics.

Micron Technology Falls 10.6%, Sandisk Drops 10.6%, Intel Loses 9% — Semiconductor Rout Wipes Out $1T+ in One Session

Micron Technology and Sandisk each plunged more than 10.6% Wednesday while AMD fell 6.9% and Intel sank 9%, as profit-taking in the AI-chip complex erased more than $1 trillion in semiconductor market value. The VanEck Semiconductor ETF lost 5.4%. South Korea's Kospi collapsed 7.89% overnight in response, with SK Hynix down over 12%. Analysts attributed the selloff to valuation fatigue after the sector's extraordinary first-half run rather than any fundamental deterioration.

Semiconductor Stocks Fall 7–9% in Premarket — Rate-Hike Fears and Profit-Taking Hit Micron, SanDisk, Nvidia After Record Q2

Micron Technology fell 7%, SanDisk dropped 9%, and Nvidia shed 2.5% in premarket trading as investors took profits following the best quarter for chips since the sector's inception, with rate-hike fears amplifying the selling. The VanEck Semiconductor ETF gained 82% in the first half of 2026. Thursday's hotter-than-expected PCE print gave traders additional cover to trim exposure in the year's most crowded trade as the second half of 2026 begins.