Stock Market Update Tuesday August 18, 2026 Stocks posted a second consecutive session of moderate losses, with the S&P 500 declining 0.7%. This time, however, technology led the downside, with the Nasdaq 100 falling 1.7% as investors continued to pare exposure to growth stocks.
Away From Stocks: Treasurys saw modest bull flattening, with the 30-year yield easing to 5.28% from 5.31% on Monday, while the 2-year yield held steady at 4.19%.
Elsewhere, WTI crude settled just above $84 per barrel, while gold pulled back to $4,336 per ounce. Bitcoin remained around $64,000, and the VIX settled just below 16, signaling that overall equity-market volatility remains relatively subdued.

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