US Stock Market Today: S&P 500 and Nasdaq declined as Big Tech and AI stocks came under pressure, while Dow Jones gained amid investor rotation into healthcare, real estate and defensive sectors. Here’s what drove Wall Street this week.
US Stock Market Today (Image: AI)
US Stock Market Today: The US stock market ended the week with mixed performance as selling pressure in Big Tech and artificial intelligence (AI) stocks weighed on the S&P 500 and Nasdaq Composite, while the Dow Jones Industrial Average finished higher amid gains in healthcare and other defensive sectors.
The latest market action reflected a shift in investor sentiment, with money flowing out of some of this year’s strongest-performing technology companies and into sectors that had previously lagged behind.
US Stock Market Today: Dow Jones Outperforms as Investors Rotate Beyond Big Tech
Although the technology-heavy Nasdaq recorded a sharp weekly decline, the Dow Jones Industrial Average managed to post a weekly gain of 0.6%, according to FactSet data. Analysts said investors appeared to rotate toward more traditional sectors, helping offset weakness in large-cap technology names. On Friday, the Dow slipped 0.1%, while the S&P 500 edged slightly lower and the Nasdaq Composite fell 0.2%, according to Dow Jones Market Data.
US Stock Market Today: S&P 500 Equal-Weighted Index Beats Traditional Benchmark
A notable trend during the week was the strong performance of the S&P 500 Equal-Weighted Index, which rose 1.6%. By comparison, the standard market-cap weighted S&P 500 declined around 2% over the same period. According to Dow Jones Market Data, this marked the widest weekly outperformance by the equal-weighted index since June 2020.
Unlike the traditional S&P 500, which gives greater influence to larger companies based on market value, the equal-weighted version assigns the same weight to every constituent stock. As a result, it often provides a broader picture of overall market participation.
Why Big Tech and AI Stocks Came Under Pressure
Technology shares, particularly companies linked to artificial intelligence and semiconductor manufacturing, experienced notable weakness during the week. Market participants appeared to take profits in several high-performing growth stocks after their strong gains in recent months. The pullback in these mega-cap companies had an outsized impact on the broader market because of their significant weighting in the S&P 500. Investment professionals noted that the recent market rotation highlights how leadership within the equity market can shift over time.
US Stock Market Today: Magnificent Seven Stocks Face Weekly Declines
The so-called Magnificent Seven group—which includes Nvidia, Apple, Microsoft, Alphabet, Amazon, Meta Platforms and Tesla—faced pressure during the week. Among the group, Nvidia declined 8.6%, marking its weakest weekly performance since April 2025, according to FactSet data. Meanwhile, the Roundhill Magnificent Seven ETF, which equally weights the seven companies, has fallen 12.9% so far this month, reflecting the broader pullback in leading technology stocks.
US Stock Market Today: Healthcare Sector Leads Weekly Gains
Despite weakness in technology shares, several sectors finished the week in positive territory. Healthcare emerged as the strongest-performing sector in the S&P 500, advancing 7.9% during the week, according to FactSet data.
Real estate and utilities also recorded gains of nearly 4% each, suggesting investors sought exposure to relatively defensive areas of the market as technology stocks weakened. Overall, six of the S&P 500’s eleven sectors posted weekly gains.
US Stock Market Today: Why Diversification Remains Important
Market experts say the week’s trading activity serves as a reminder of the importance of diversification. Jim Baird, Chief Investment Officer at Plante Moran Financial Advisors, said investors are stepping back from the concentrated Big Tech trade while broader areas of the market continue to perform relatively well.
According to Baird, market leadership can change quickly, making diversification an important strategy during periods of sector rotation.
US Stock Market Today
The latest market performance suggests investors are broadening their focus beyond a handful of mega-cap technology companies. While AI-related businesses continue to be viewed as an important long-term growth theme, recent trading indicates investors are also looking for opportunities in healthcare, utilities, real estate and other sectors that may offer more balanced valuations. Market participants are expected to continue monitoring corporate earnings, economic data and interest-rate expectations in the coming weeks, as these factors could influence whether the current sector rotation continues.
Disclaimer: This article is based on publicly available market data and reports from Dow Jones Market Data, FactSet, and statements from market participants. It is intended for informational purposes only and should not be considered investment, financial, or trading advice. Investors should conduct their own research or consult a qualified financial advisor before making any investment decisions.
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