US Stock Indices Decline as Oil Prices Surge
Written by Emily J. Thompson, Senior Investment Analyst
Updated: May 21 2026
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Source: NASDAQ.COM
- Oil Price Surge Affects Markets: Crude oil prices jumped over 3% due to doubts about a US-Iran peace deal, leading the S&P 500 to decline by 0.44%, the Dow Jones by 0.47%, and the Nasdaq 100 by 0.49%, indicating market sensitivity to geopolitical risks.
- Mixed Economic Data: Initial US weekly unemployment claims fell by 3,000 to 209,000, close to the expected 210,000, while the May Philadelphia Fed business outlook unexpectedly dropped by 27.1 to -0.4, reflecting uncertainty in economic recovery that could impact investor confidence.
- Divergent Tech Stock Performance: Nvidia's earnings report exceeded expectations, yet its stock fell by 0.60% amid rising competition, highlighting the challenges tech companies face in sustaining growth in a highly competitive environment.
- International Market Volatility: Overseas stock markets showed mixed results, with the Euro Stoxx 50 down 0.52% and Japan's Nikkei up 3.14%, reflecting varying responses to economic conditions across different regions, which may influence investors' asset allocation strategies.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
