Markets News, May 29, 2026: Indexes Close at Records as Dell Leads Tech Gains; S&P 500 Rises for 9th Straight Week - Investopedia

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- S&P 500 closed at a record high, marking its ninth consecutive weekly gain.
- Nasdaq closed at a record high, up 8% in May and extending a 12‑day winning streak—the longest since July.
- Dell Technologies led the tech sector, posting the biggest gain among major tech stocks.
- Wall Street saw a wave of selling in crash hedges as most‑shorted stocks jumped roughly 30%.
Why it matters: Tech investors and index fund managers gain as the S&P 500 and Nasdaq hit new highs, while hedge funds with short‑hedge bets lose as most‑shorted stocks surge 30%, tightening market liquidity.