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CHIP STOCKS PLUNGE 10% IN WORST WEEK IN OVER A YEAR

INDUSTRY DESK1 MIN READ
FRI, JUL 17, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

The Philadelphia Semiconductor Index fell approximately 10% this week, marking its largest weekly decline in over a year. The index has now dropped roughly 20% from its late-June peak.

Semiconductor stocks faced a severe selloff this week, reversing gains that helped drive the broader market rally throughout 2024. The Philadelphia Semiconductor Index's 10% weekly decline represents the steepest drop since mid-2023, signaling renewed investor concern about the chip sector's valuation and growth prospects. The index's 20% retreat from its June highs reflects a broader pullback from technology stocks that have dominated market performance. Major chip manufacturers and semiconductor equipment makers were hit hard as investors reassessed their positions in the sector. The selloff comes amid ongoing debates about artificial intelligence adoption rates, chip supply dynamics, and earnings sustainability. Rising interest rates and macroeconomic headwinds have also weighed on investor sentiment across technology equities. Analysts will watch for additional weakness or stabilization signals as earnings season progresses and companies provide guidance on demand trends.

■ SOURCES

Techmeme

■ SUMMARY WRITTEN BY AI FROM THE LINKS ABOVE

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