Wall Street had its worst day since April 2025 last Thursday. The Nasdaq Composite fell 5.5%, the S&P 500 dropped 4.4%, and the Philadelphia Semiconductor Index plunged 12.2%.
Two worries drove the selling. Investors doubt that heavy spending on artificial intelligence will pay off, and candidates who ran against data center expansion won races in Texas and Georgia in the midterm elections. Mark Hackett, chief market strategist at Nationwide, told Reuters that chip stocks are a volatile,...