Most US Stocks Close Lower as Middle East Conflict Fuels Inflation Fears

Due to the Middle East conflict pushing up energy prices, market concerns about prolonged high inflation triggered a sell-off in U.S. Treasury bonds on the 19th, with the 30-year bond yield briefly rising to 5.19%. Against this backdrop, most major U.S. stock indices closed in the red; the Dow, S&P 500, and Nasdaq all fell, while only the Philadelphia Semiconductor Index posted a slight gain.
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  • 📰 Published: May 20, 2026 at 07:05
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(CNA, New York, 19th, Comprehensive Foreign Report) Soaring energy prices driven by the conflict in the Middle East have sparked concerns that inflation could remain high for some time, triggering a sell-off in U.S. Treasury bonds. The yield on the 30-year Treasury bond, which moves inversely to its price, once climbed to 5.19%. As a result, major U.S. stock indices mostly closed lower today.
The Dow Jones Industrial Average fell 322.24 points, or 0.65%, to close at 49,363.88.
The S&P 500 index dropped 49.44 points, or 0.67%, to end at 7,353.61.
The Nasdaq Composite slid 220.02 points, or 0.84%, to 25,870.71.
The Philadelphia Semiconductor Index edged up slightly by 2.98 points, or 0.03%, to 11,305.50. (Translator: Kao Chao-fen / Editor: Hung Chi-yuan) 1150520