Today’s Stock Market in 2-Minutes

By Alex Financials

Published: August 24, 2026

 

Wall Street Starts the Week on the Defensive

U.S. stocks are entering Monday with investors facing an unusually crowded list of risks. The S&P 500 and Nasdaq were under pressure in early trading as markets weighed escalating tensions involving Iran, a breakdown in U.S.-Canada trade negotiations, elevated Treasury yields and the upcoming earnings report from artificial intelligence leader Nvidia ($NVDA). (Reuters)

The S&P 500 closed Friday at 7,674.37 after gaining 0.43% on the session, but the index still finished the week lower. The recent rally has pushed U.S. equities close to record levels, leaving investors increasingly sensitive to changes in interest-rate expectations, geopolitical risk and corporate earnings. (FRED)

The result is a market that remains fundamentally strong but increasingly dependent on a handful of major catalysts. This week, those catalysts include Nvidia earnings, inflation data and Federal Reserve Chair Kevin Warsh’s speech at Jackson Hole.

Nvidia ($NVDA) Becomes the Market’s Biggest Test

The most important corporate event of the week is Nvidia’s earnings report, scheduled for Wednesday after the market closes.

Wall Street expects Nvidia to report quarterly revenue of roughly $92 billion, representing another enormous increase from the prior year. The company has become the central beneficiary of the global AI infrastructure investment cycle, and its results increasingly influence the broader technology sector. (Reuters)

The issue for investors is no longer simply whether Nvidia can beat expectations. The company has repeatedly delivered extraordinary growth. The bigger question is whether its outlook can justify the increasingly high expectations embedded across the AI trade.

That makes the guidance particularly important.

Investors will be watching demand for Nvidia’s newest data-center products, customer spending plans, supply constraints and management’s assessment of AI infrastructure demand. Nvidia’s previous quarter produced $81.62 billion in revenue, above Wall Street expectations of $78.86 billion. (Reuters)

The stakes extend well beyond Nvidia. Companies throughout the semiconductor and technology ecosystem could react sharply depending on the strength of Nvidia’s outlook.

A strong report could reinforce the argument that AI capital spending remains in its early stages. A merely good report, however, could disappoint a market that has become accustomed to exceptional results.

Iran Sanctions Put Energy Markets Back in Focus

Geopolitical risk is another major driver of Monday’s trading.

The United States is preparing additional sanctions against Iran, with Treasury Secretary Scott Bessent expected to announce measures targeting countries and entities involved with Iranian oil. The administration has also focused on Iran’s control over the strategically important Strait of Hormuz, a critical route for global energy shipments. (Reuters)

The immediate market reaction has been somewhat counterintuitive. Oil prices declined around 2% Monday as traders took profits and assessed the potential impact of the new measures. West Texas Intermediate crude was recently around $86 per barrel, while Brent crude traded near $92. (MarketWatch)

For investors, the bigger question is what happens next.

A sustained disruption to energy flows through the Strait of Hormuz could push oil prices substantially higher, potentially reigniting inflation and making it harder for central banks to ease monetary policy.

That creates a complicated backdrop for equities. Energy producers such as Exxon Mobil ($XOM) could benefit from higher crude prices, while airlines, transportation companies and other energy-intensive businesses could face increased costs.

The market is therefore watching not only the sanctions themselves but also whether they change the actual flow of oil through the region.

U.S.-Canada Trade Tensions Add Another Risk

Trade policy is creating another source of uncertainty.

U.S.-Canada negotiations broke down late last week, prompting the United States to impose 50% tariffs on approximately $20 billion of Canadian exports. Canada has said it will retaliate with tariffs on U.S. goods beginning September 8. (Reuters)

The dispute is particularly significant for industries with highly integrated North American supply chains.

President Donald Trump also said Monday that U.S. tariffs on cars, trucks, automotive parts and steel would rise to 50% beginning January 1. (Reuters)

The uncertainty is already showing up in individual stocks. Steel producers such as Steel Dynamics ($STLD), Nucor ($NUE) and Cleveland-Cliffs ($CLF) were among the companies benefiting in early trading from expectations that higher tariffs could support domestic steel prices. (MarketWatch)

For the broader market, however, tariffs remain a potential inflationary problem. Higher import costs can pressure corporate margins while simultaneously raising prices for consumers.

That could complicate the Federal Reserve’s efforts to manage inflation without unnecessarily weakening economic growth.

The Federal Reserve Is Back at the Center of the Market

Interest-rate expectations may ultimately prove to be the week’s most important macroeconomic factor.

Federal Reserve Chair Kevin Warsh is scheduled to speak Friday at the Jackson Hole economic symposium. Investors are looking for clues about whether the central bank could raise interest rates at its September meeting. Markets currently assign roughly a 40% probability to a September rate hike, according to Reuters. (Reuters)

The Fed recently held its benchmark rate at 3.50% to 3.75%. The decision was notable because three policymakers dissented in favor of a rate increase, highlighting the internal debate over inflation risks. (Schwab Brokerage)

That makes Warsh’s Jackson Hole speech especially important.

Investors are trying to determine whether the Fed views current inflation pressures as temporary or persistent. If policymakers signal that rates may remain higher for longer, Treasury yields could rise further and put additional pressure on growth stocks.

Technology companies are particularly sensitive to higher yields because a significant portion of their valuation depends on future earnings expectations.

Inflation Data Could Change the September Rate Debate

Adding to the week’s importance is the release of U.S. inflation data.

The personal consumption expenditures, or PCE, price index is the Federal Reserve’s preferred inflation measure. Investors will be watching the report closely for evidence that price pressures are cooling enough to prevent additional tightening. (The Wall Street Journal)

The market is currently caught between two competing forces.

On one side, a resilient economy and strong corporate earnings are supporting equities. According to Investopedia, approximately 94% of S&P 500 companies had already reported second-quarter earnings, with aggregate profits up nearly 50% year over year and revenue up 14%. (Investopedia)

On the other side, elevated bond yields, tariffs and geopolitical risks could keep inflation higher than investors would prefer.

This tension explains why Treasury yields have become such an important signal for stocks. If yields continue climbing, the valuation premium attached to high-growth technology companies could come under pressure.

What Investors Should Watch This Week

The market’s direction over the next several sessions will likely depend on whether these catalysts reinforce or contradict one another.

Nvidia ($NVDA) is the first major test. A strong earnings report and bullish guidance could restore momentum to the AI trade and potentially lift the Nasdaq.

The Federal Reserve is the second. A more hawkish message from Kevin Warsh could push bond yields higher and pressure equity valuations, while a less aggressive tone could provide relief to stocks.

Inflation data will determine how much credibility the market gives to expectations surrounding future Fed policy.

Iran sanctions represent the largest geopolitical variable. A disruption to energy markets could quickly change inflation expectations.

U.S.-Canada trade tensions add another layer of uncertainty, particularly for manufacturers, automakers, steel companies and businesses dependent on cross-border supply chains.

The Bottom Line for the Stock Market

The U.S. stock market enters the final week of August with strong corporate fundamentals but an unusually demanding risk environment.

Nvidia’s earnings will test whether the AI boom can continue to support technology valuations. Inflation data and Kevin Warsh’s Jackson Hole speech will determine whether investors need to rethink the path of interest rates. Meanwhile, developments involving Iran and Canada could introduce new inflationary and economic risks.

The key takeaway is that investors have several major variables to digest at the same time.

For now, earnings remain a major source of support for equities. But with valuations elevated and bond yields already creating pressure, this week’s events could determine whether the market’s rally resumes or enters another period of consolidation.

The next few trading sessions may therefore be less about one headline and more about how several competing forces interact: AI growth, inflation, interest rates, energy prices and trade policy.

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