Major US stock indexes closed mixed on July 27, 2026, as a steep decline in semiconductor shares offset broader market advances and a sharp drop in crude oil prices.
The Dow Jones Industrial Average rose 263 points, or 0.5%, to finish at 52,210.
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The S&P 500 added 1.2 points to 7,413, while the Nasdaq Composite fell 44 points, or 0.2%, to 24,932.
Tech Stocks Hit by Chipmaking Competition Fears
Technology stocks led the downturn after reports emerged that a Chinese state-backed firm began mass-producing deep ultraviolet lithography equipment.
Nvidia dropped over 4%, and ASML fell more than 5% on heightened competition concerns in older-generation chipmaking technology.
Investors also tracked volatility in tech equities amid broader market shifts following a brief pause in international hostilities.
"Earlier optimism around a pause in fighting did not last once the US session began, and investors took the earlier gains as a chance to cut back exposure yet further in battered tech stocks," said Chris Beauchamp, market analyst at IG.
Market uncertainty remained heightened across major indexes ahead of key economic events and earnings releases.
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"The Nasdaq 100 fell to its lowest level since early May, hit hard by a 3% drop in Nvidia.
While a lack of hostilities is good news all round, the fears hitting markets are broader than that, and in any case, there is too much event this week to go charging back into stocks," Beauchamp added.
Premarket trading on July 28 showed continued pressure on tech futures.
However, United Parcel Service gained 2.1% after beating second-quarter earnings expectations with $1.76 adjusted earnings per share on $22.8 billion in revenue.
Carrier Global also climbed 3.0% premarket after raising its full-year guidance and reporting revenue of $6.35 billion.
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Wall Street futures and indexes showed mixed results as falling semiconductor stocks and AI spending concerns offset gains in energy and logistics sectors.
