S&P 500 Closes Down 0.6% as Nasdaq Absorbs the Day's Real Damage
As seen on the 24/7 Wall St. homepage on August 18, 2026.
- S&P 500-0.59%
- Dow Jones Industrial Average-0.16%
- Nasdaq Composite-1.28%
The selling was almost entirely a tech story: the Nasdaq gave back 340 points while the Dow finished down just 0.2%. That gap between the two is the day's real signal for anyone crowded into growth names.
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The S&P 500 closed at 7,699.75, with losses deepening into the afternoon.
The Nasdaq Composite bore the brunt of the selling, declining nearly 1.3% while the Dow Jones Industrial Average slipped just 0.16%. That divergence points at growth and technology names as the source of the pressure.
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The gap matters most for investors concentrated in large-cap tech, who felt the move acutely while industrials and value-oriented components held steady.
The final S&P 500 reading of minus 0.59% sat toward the worse end of the day's range.