NEW YORK — November 2, 2026 — U.S. stocks ended mixed on Monday as technology shares continued to decline following a turbulent October that erased enormous amounts of market value and raised concerns about the financial sustainability of the artificial intelligence investment boom.
The Nasdaq Composite fell approximately 1.1%, while the broader S&P 500 declined 0.5%. The Dow Jones Industrial Average, however, gained 0.4%, highlighting the uneven impact of the sell-off across different sectors of the U.S. economy.
The latest losses followed a particularly difficult October for technology companies, with investors increasingly questioning whether massive investments in artificial intelligence will generate sufficient profits.
Trillions in Market Value Under Pressure
According to Reuters, the technology-heavy Nasdaq 100 faced a loss of more than $2 trillion in market capitalization during October.
By October 30, the index had fallen more than 5.8% for the month, reflecting declining investor confidence in some of the largest technology companies.
The sell-off intensified on Friday, October 30, when the Nasdaq Composite recorded its sharpest daily percentage decline since June.
Technology stocks continued to experience selling pressure on Monday, although the losses were less widespread than during the previous session.
The scale of the decline has prompted renewed debate about whether technology companies have become overvalued after years of enthusiasm surrounding artificial intelligence.
How Wall Street Performed on November 2
Monday’s trading produced mixed results across the major U.S. stock indexes.
| Stock Index | Closing Level | Daily Change |
|---|---|---|
| S&P 500 | 7,541.40 | −0.5% |
| Nasdaq Composite | 25,164.32 | −1.1% |
| Dow Jones Industrial Average | 51,983.98 | +0.4% |
| Russell 2000 | 2,805.88 | −0.2% |
The S&P 500 initially gained as much as 1.1% before reversing course later in the session.
Technology shares weighed heavily on the market, while gains in other sectors helped the Dow finish higher.
Despite the recent declines, all four major indexes remained positive for 2026.
Artificial Intelligence Spending Raises Concerns
A major reason behind the sell-off is growing uncertainty over the enormous amounts of money technology companies are investing in artificial intelligence.
Companies including Amazon, Meta, Alphabet, Microsoft, and other technology leaders have committed substantial resources to data centers, specialized computer chips, cloud infrastructure, and AI development.
These investments are intended to support growing demand for artificial intelligence services.
However, investors are increasingly asking whether the revenue generated by those services will justify the spending.
Some companies have increased their capital expenditure forecasts, raising concerns about cash flow, borrowing costs, and future profitability.
Reuters reported that Morgan Stanley expects global AI infrastructure spending to exceed $1 trillion in 2027.
JPMorgan has projected that global AI investment could reach $5.5 trillion by 2030.
These figures illustrate the unprecedented financial scale of the AI expansion.
Intel and Amazon Add to Market Pressure
Disappointing financial results and forecasts from major technology companies contributed to the late-October sell-off.
Intel shares plunged approximately 29% on October 30 after the company warned about cash flow pressures and challenges affecting its computer chip business.
Amazon also faced investor scrutiny after reporting significant spending associated with its AI infrastructure expansion.
Other technology and semiconductor companies experienced substantial declines as investors reassessed expectations for future growth.
The weakness spread to companies supplying equipment and infrastructure for artificial intelligence systems.
However, some technology companies continue to report strong revenue growth, demonstrating that investor concerns are not uniform across the industry.
What Does Losing $1 Trillion Actually Mean?
Social media reports describing trillions of dollars being wiped from the stock market can create the impression that enormous amounts of cash have physically disappeared.
That is not how stock market losses work.
Market capitalization represents the total estimated market value of a company’s outstanding shares.
When share prices decline, the company’s market value decreases accordingly.
For example, if a company has one billion outstanding shares and its stock price falls by $10, its market capitalization declines by $10 billion.
This does not mean the company paid out or physically lost $10 billion in cash.
However, falling share prices can significantly affect investors, retirement savings, investment funds, and businesses seeking to raise capital.
What Does This Mean for Retirement Funds?
Stock market volatility can affect retirement accounts, including 401(k) plans, individual retirement accounts, and public pension funds.
Many retirement portfolios contain investments linked to the S&P 500 or other indexes with substantial technology exposure.
When major technology companies decline, the value of those investments may also fall.
The impact varies depending on each portfolio’s investment allocation, diversification, and investment horizon.
Short-term market declines do not automatically translate into permanent losses, but they can create financial uncertainty, particularly for investors who need to withdraw funds in the near future.
Markets Face More Uncertainty
The latest market movements come during a period of broader economic and political uncertainty.
Investors are watching corporate earnings, interest rates, inflation, energy prices, and developments in the Middle East.
The November 3 U.S. midterm elections add another event to the financial calendar, although Monday’s market movements cannot be attributed to the elections alone.
For technology companies, the central question remains whether AI-related investments can produce sustainable profits.
While some analysts view the sell-off as a correction following substantial gains, others warn that high valuations and expanding capital commitments could lead to additional volatility.
A Test for the AI Investment Boom
The decline in technology stocks illustrates a changing attitude among investors.
For several years, enthusiasm surrounding artificial intelligence helped drive major technology companies to record valuations.
Now, financial markets are demanding clearer evidence that AI investment can produce returns sufficient to support those valuations.
The recent sell-off does not establish that artificial intelligence development is slowing or that demand for the technology has disappeared.
Instead, it reflects growing scrutiny of the costs, risks, and expected financial benefits associated with the industry’s rapid expansion.
As Wall Street enters November, the key question is whether the companies driving the artificial intelligence boom can convert their enormous investments into sustainable earnings — and restore confidence among investors.
Sources: Associated Press, November 2, 2026; Reuters, October 30, 2026; Reuters, October 30, 2026; Cboe Market Insights
By NJ RADAR Team