Today’s Stock Market in 2-Minutes

By Alex Financials

Published: August 31, 2026

U.S. stocks finished lower on Monday, August 31, as renewed U.S.-Iran hostilities pushed oil prices higher and reignited concerns about inflation and interest rates. The pullback came despite a strong August for equities, with the Nasdaq, S&P 500 and Dow all posting monthly gains.

The bigger question heading into September is whether the market can continue climbing while investors simultaneously contend with higher energy prices, elevated Treasury yields, a potentially more hawkish Federal Reserve and a critical slate of economic data and corporate earnings.

Wall Street Ends August Lower as Oil Surges

The Dow Jones Industrial Average fell 0.71% on Monday, while the S&P 500 declined 0.36% and the Nasdaq Composite slipped 0.16%. Despite the losses, all three major indexes finished August higher. (Reuters)

The immediate catalyst was oil.

Brent crude climbed above $90 per barrel after renewed military conflict involving the United States and Iran raised concerns about disruptions around the Strait of Hormuz. U.S. crude also moved above $85 per barrel. (Reuters)

That matters for stocks because a sustained increase in energy prices can feed directly into inflation. Higher fuel and transportation costs can pressure consumers, airlines, manufacturers and other businesses while simultaneously making the Federal Reserve’s job more difficult.

Energy stocks were among the relative winners on Monday, with companies such as Halliburton benefiting from higher crude prices. (Reuters)

For the broader market, however, the oil rally creates a more complicated setup.

Federal Reserve Rate-Cut Hopes Are Losing Momentum

Interest rates are becoming one of the most important variables for investors heading into September.

Federal Reserve Chair Kevin Warsh’s recent comments at Jackson Hole emphasized inflation risks and contributed to a sharp increase in expectations for a September rate hike. Reuters reported Monday that futures markets were pricing roughly a 64% probability of a September increase, up substantially from approximately 35% before Warsh’s remarks. (Reuters)

Treasury yields reflected that shift.

The benchmark 10-year Treasury yield climbed to roughly 4.76%, its highest level since January 2025. (Reuters)

Higher yields can create pressure for stock valuations because future corporate earnings become less valuable when investors can earn more from relatively low-risk government bonds.

This is particularly important for high-growth technology companies, where much of the valuation depends on earnings expected years into the future.

That makes September’s inflation and employment data especially important.

The Jobs Report Could Decide the Next Market Move

Investors are entering September with a major economic test approaching.

The U.S. employment report is scheduled for September 4, and the data could provide an important signal about whether the Federal Reserve has room to keep rates unchanged or needs to respond to persistent inflation.

According to a Reuters survey, economists were expecting employment to increase by approximately 58,000 jobs in August, with unemployment remaining around 4.1%. July’s employment report showed an unexpected decline of 23,000 jobs. (Investing.com)

The market is therefore looking for a difficult balance.

A very strong jobs report could reinforce inflation concerns and increase expectations for higher interest rates. A very weak report could raise concerns about economic growth.

For equities, the ideal scenario would likely be continued economic resilience without enough wage or employment pressure to force the Fed into a more aggressive tightening cycle.

That makes Friday’s report one of the most important events on the September calendar.

Nvidia Keeps the AI Trade Alive

The biggest bullish force for the market remains artificial intelligence.

NVIDIA ($NVDA) delivered another major catalyst last week, helping reignite enthusiasm around AI infrastructure spending.

Nvidia projected approximately 70% revenue growth for its next fiscal year, significantly above estimates cited by Reuters. The forecast helped push Nvidia shares 8.7% higher on August 27 and lifted the Nasdaq 1.57% that day. (Reuters)

The significance goes beyond Nvidia itself.

Investors have spent much of 2026 questioning whether enormous spending on AI infrastructure can continue to translate into sufficiently strong corporate revenue and profits. Nvidia’s outlook provided fresh evidence that demand for AI computing remains exceptionally strong.

But the trade is becoming increasingly sensitive to interest rates.

AI stocks can benefit from strong earnings growth, but higher Treasury yields can simultaneously pressure the valuation investors are willing to assign to those future earnings.

The result could be greater volatility in September even if the underlying AI business remains strong.

Broadcom Earnings Become the Next AI Test

The next major test for the AI investment thesis will come from Broadcom ($AVGO).

Broadcom is scheduled to report results this week, and investors will be looking for evidence that demand for AI networking and infrastructure remains strong beyond Nvidia’s GPU business.

Reuters noted that Nvidia’s results helped revive the broader technology rally, putting additional attention on whether Broadcom can provide similar visibility into the next phase of AI spending. (Investing.com)

Other companies reporting this week include Dell Technologies ($DELL) and Palo Alto Networks ($PANW).

The results arrive with the broader earnings season already looking unusually strong. S&P 500 second-quarter earnings were tracking toward approximately 34.5% year-over-year growth on an adjusted basis, according to LSEG IBES data cited by Reuters. (Investing.com)

That earnings strength is one of the main reasons investors have been willing to look past higher yields and geopolitical risks.

Apple Begins a New Era

Another major corporate story arrives Tuesday.

Apple ($AAPL) is entering a new leadership era as Tim Cook completes his 15-year tenure as CEO and John Ternus takes over on September 1.

Cook will become Apple’s executive chairman, while Ternus, Apple’s longtime hardware engineering chief, becomes CEO. (DigiTimes)

The timing is significant.

Ternus inherits Apple just days before the company’s September 9 product event, where Apple is expected to introduce its next-generation iPhone lineup. A foldable iPhone has also been widely anticipated. (Reuters)

More importantly, Ternus takes control of a company facing one of its biggest strategic challenges in years: artificial intelligence.

Apple has been perceived as trailing competitors in AI, particularly around its Siri and Apple Intelligence initiatives. The new CEO will therefore be under pressure to demonstrate that Apple can translate its enormous installed base and hardware ecosystem into a meaningful AI advantage.

For investors, the transition creates an unusual combination of continuity and uncertainty.

August Was Strong, But September Could Be Different

The market’s performance in August provides an important reminder that bullish momentum remains intact.

The S&P 500 finished the month higher, while the Nasdaq also posted a strong monthly gain. The Dow recorded its fifth consecutive monthly advance. (Reuters)

Year-to-date gains remain substantial as well. The AP reported that through Monday’s close, the S&P 500 was up approximately 12.3%, the Dow had gained 10.7% and the Nasdaq had advanced 13.5%. (AP News)

But September starts with a dramatically different risk profile.

Oil is above $90.

Treasury yields are elevated.

The probability of a Federal Reserve rate hike has increased.

Geopolitical tensions have intensified.

And investors are about to receive another jobs report alongside additional inflation data and major technology earnings.

The market therefore enters September with strong underlying earnings momentum, but significantly less room for disappointment.

What Investors Should Watch in September

The central question for stocks is no longer simply whether the economy is growing.

It is whether economic growth, corporate earnings and AI investment can remain strong enough to offset the valuation pressure created by higher interest rates and renewed inflation risks.

Three indicators could determine the direction of the market over the next several weeks:

1. Oil prices: A sustained move above $90 could increase inflation concerns and pressure rate-sensitive stocks.

2. The September jobs report: A stronger-than-expected labor market could make the Fed more cautious about cutting rates, while a weak report could raise concerns about economic growth.

3. AI earnings and spending: Results from Broadcom and other technology companies will help determine whether Nvidia’s bullish AI outlook represents an industry-wide trend or primarily a company-specific advantage.

For now, the bull market remains intact. But the market is moving into September with a much higher sensitivity to inflation, interest rates and geopolitical developments.

The August rally demonstrated that investors are willing to look through significant risks when earnings are strong. September will test how much further that optimism can go.

Sources

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