Wall Street Slides as Chip Sell-Off Hits Dow, S&P 500 and Nasdaq-USA Stock Market Today
USA Stock Market Today: Dow, S&P 500 and Nasdaq Fall as Chip Stocks Slide
U.S. stock markets faced renewed selling pressure on Friday, July 17, 2026, as a sharp retreat in semiconductor shares weakened investor sentiment and pulled major index futures lower. Before the opening bell, Dow Jones Industrial Average futures were down about 0.7%, S&P 500 futures fell roughly 1%, and Nasdaq 100 futures dropped around 2%, signaling another difficult session for technology stocks.
The decline followed Thursday’s market weakness, when the S&P 500 lost 0.5% to close at 7,533.77, the Dow slipped 0.2% to 52,552.97, and the Nasdaq Composite fell 1.5% to 25,881.95. The technology-heavy Nasdaq suffered the biggest decline because major chipmakers and other companies linked to the artificial-intelligence boom came under heavy selling pressure.
Semiconductor stocks remained at the centre of the market downturn. Investors have become increasingly concerned that enormous spending on artificial-intelligence infrastructure may be approaching a peak. Strong corporate results have not been enough to calm those fears. Taiwan Semiconductor Manufacturing Company reported a major increase in earnings, but its shares still declined, showing that investors are focusing more closely on future spending requirements, valuations and the sustainability of AI-related demand.
Memory-chip and data-storage companies were among the hardest hit in premarket trading. SanDisk, Western Digital, Seagate Technology and Micron Technology fell sharply, while the Philadelphia Semiconductor Index moved toward its weakest level in nearly two months. The broader semiconductor sell-off also affected confidence in market leaders such as Nvidia, AMD and Broadcom, which have played a major role in the AI-driven rally.
Netflix added to the negative mood after its shares fell sharply following a weaker-than-expected revenue and earnings forecast. The streaming company’s disappointing outlook increased pressure on communication-services and technology stocks, reinforcing concerns that high-growth companies may struggle to justify elevated valuations.
The sell-off also encouraged some investors to rotate toward defensive and less technology-dependent areas of the market. This explains why headline indexes can decline even when a significant number of individual stocks remain stable or advance. Market breadth will therefore be an important indicator during the session.
Geopolitical uncertainty also kept investors cautious. Continuing conflict involving the United States and Iran, along with renewed political friction between Washington and Beijing, raised concerns about energy prices, international trade and global supply chains. The CBOE Volatility Index, commonly known as Wall Street’s fear gauge, climbed to its highest level in more than a week.
Despite the decline, the market’s weakness does not necessarily mean the longer-term AI investment story is over. Chip stocks have recorded powerful gains, and periodic corrections are normal after strong rallies. However, investors are now demanding clearer evidence that massive capital spending by technology companies will produce sustainable profits.
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NISM-Series-X-A Investment Adviser Level 1 examination completed
Amit writes about Indian equity markets, technical analysis, macro themes and the day-to-day mechanics of trading, with a focus on making the flow of global markets legible for retail investors. He has completed the NISM-Series-X-A Investment Adviser Level 1 examination.
