Tech Rout Deepens: Dow Falls, Worst Week Since June — SkimNews
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- Nasdaq slid 2% on Friday, Oct. 16, 2026, posting its worst week since June under pressure from an AI-driven sell-off and rising oil prices, per CNBC's live updates.
- Dow, S&P 500, and Nasdaq all closed lower on Oct. 16, 2026, cementing their worst week since June as a tech rout deepened, with a memory-chip sell-off, inflation worries, and CoreWeave as defining themes of the week on Wall Street.
Why it matters: A 2% Nasdaq drop on a Friday is a sharp move that sealed the index's worst week since June, and the cross-coverage consensus (MarketWatch, CNBC) frames the damage as driven by AI-exposed and memory-chip names — meaning concentration in tech-linked stocks is now the single biggest near-term risk for portfolios heavy in that trade.
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