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By Jeran Wittenstein and Ryan Vlastelica
July 19, 2026 at 9:00 AM EDT
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After last week’s wipeout in chips and the broader selloff in technology stocks, pressure is building for the biggest spenders on artificial intelligence to justify their expenditures to beleaguered traders with increasingly itchy fingers hovering over their sell buttons.
The AI euphoria that drove the stock market to all-time highs just a month ago is clearly waning. Information technology was the worst performing group in the S&P 500 Index last week, which slid 1.6% while the tech-heavy Nasdaq 100 Index lost 4.1%. Chip stocks were the main culprit, with the Philadelphia Stock Exchange Semiconductor Index sinking 10% for its worst week since April 2025.
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