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Marathon Weekly Insights - August 3, 2026

August 03, 2026

Key Takeaways

Markets moved higher despite considerable volatility, supported by strong earnings from Microsoft and Amazon and renewed enthusiasm surrounding artificial intelligence.

The Federal Reserve left interest rates unchanged, but policymakers signaled that inflation remains their primary focus.

The economy remained resilient, as healthy consumer spending and a strong labor market helped offset slower overall growth.

Oil prices and Treasury yields climbed sharply, creating headwinds for more interest-rate-sensitive areas of the market.

Investors continued to distinguish between AI leaders and laggards, placing greater emphasis on profitability, capital spending, and future growth prospects.

Market Summary

The market experienced another eventful week as investors navigated a busy schedule of economic data releases, corporate earnings announcements, geopolitical developments, and the latest Federal Reserve meeting.

Despite heightened volatility, the major indices ultimately finished higher, with the S&P 500 gaining 1.1%, the Nasdaq Composite rising 1.6%, and the Dow Jones Industrial Average advancing 1.0%.

The week's performance reflected an important shift in market sentiment. Early in the week, investors continued to reduce exposure to semiconductor companies amid concerns about memory demand, infrastructure spending, and lofty valuations throughout the artificial intelligence ecosystem. By the end of the week, however, exceptionally strong earnings from Microsoft and Amazon renewed confidence that AI-related investment remains a powerful long-term theme.

Market leadership remained relatively narrow, as gains were concentrated among a handful of the market's largest companies. Consumer discretionary stocks, supported by Amazon's strong performance, led the market higher, while communication services also performed well as Alphabet and other technology companies rebounded. Meanwhile, utilities and more defensive sectors lagged as investors favored growth-oriented areas of the market.

For long-term investors, the week's trading illustrated that market leadership may change quickly, but the larger themes driving the market remain intact. Investors continue to focus on artificial intelligence, corporate earnings growth, interest rates, and the economy's ability to withstand tighter financial conditions.

The Economy

Economic data presented a mixed but generally encouraging picture. Second-quarter economic growth slowed to an annualized rate of 1.5%, below expectations, but the details beneath the headline number were more encouraging. Consumer spending remained healthy, business investment continued to expand, and labor market conditions remained strong.

Initial jobless claims remained below 200,000, a historically low level that suggests employers remain reluctant to reduce headcount. Durable goods orders also pointed toward continued business investment, while housing prices remained surprisingly resilient despite elevated mortgage rates.

Inflation data offered additional encouragement. The Federal Reserve's preferred inflation measure, the Personal Consumption Expenditures (PCE) Index, continued to moderate on both a monthly and annual basis. While inflation remains above the central bank's target, the recent trend suggests that pricing pressures are gradually easing.

The data continues to support the idea of a slowing, but still expanding, economy.

The Fed & Fixed Income

As expected, the Federal Reserve left interest rates unchanged, maintaining the federal funds target range between 3.50% and 3.75%. However, the decision was not unanimous, with three policymakers voting in favor of an additional rate increase.

Investors initially welcomed the Fed's decision, but sentiment shifted as Chair Kevin Warsh emphasized the central bank's commitment to returning inflation to its 2% target. His comments reinforced the view that policymakers remain cautious and are willing to keep rates elevated if inflation remains persistent.

Meanwhile, Treasury yields moved sharply higher. The yield on the 10-year Treasury note climbed from 4.60% at the beginning of the week to 4.75% by Friday, while the two-year Treasury yield remained near 4.25%.

Although higher yields can create short-term volatility, they also continue to provide attractive income opportunities for long-term investors while reinforcing the value of diversification within balanced portfolios.

Company News & Earnings

Corporate earnings were once again the market's primary focus, and the results highlighted both the opportunities and risks associated with the rapidly expanding artificial intelligence landscape.

Microsoft reignites the AI trade

The most influential report came from Microsoft, which delivered results that exceeded expectations and provided an optimistic outlook for future AI-related demand. The company reported accelerating growth across its cloud computing business, reinforcing the view that businesses continue to invest heavily in artificial intelligence infrastructure. Microsoft's results not only lifted its own shares but also sparked a powerful rally throughout the broader technology sector.

Amazon reinforces the investment theme

Amazon followed with another strong report, posting robust revenue growth and improved profitability. Investors were encouraged by continued strength in Amazon Web Services, where demand for computing capacity remains exceptionally strong. The results provided additional evidence that AI-related spending continues to support data centers, cloud computing providers, networking companies, and semiconductor manufacturers.

SK hynix remains in the spotlight

Another closely watched report came from SK hynix, one of the world's leading producers of high-bandwidth memory (HBM) chips used in AI applications. Despite reporting record earnings and continued strength in demand, investors reacted negatively to the company's plans to significantly increase capital spending and expand production capacity. The response underscored an increasingly important theme throughout earnings season: investors remain enthusiastic about AI, but they are becoming more selective regarding the cost of pursuing that growth.

Diverging fortunes among technology companies

The week also highlighted the increasingly different paths being taken by the market's largest companies. Alphabet continued to recover from its recent pullback, while Apple reached another record high early in the week before falling sharply after issuing disappointing guidance related to supply constraints and foreign exchange pressures. Meta's results also disappointed investors, while Tesla continued to struggle following last week's earnings release.

Meanwhile, semiconductor equipment manufacturer Lam Research delivered stronger-than-expected results and provided encouraging guidance, helping to stabilize sentiment across the semiconductor industry. However, investors continued to question whether current valuations fully reflect the risks associated with rising competition, higher capital expenditures, and the enormous amount of spending required to sustain future growth.

Geopolitics

Developments in the Middle East remained a major source of market volatility throughout the week. Oil prices initially moved lower after reports suggested progress toward a potential agreement between the United States and Iran. However, those gains quickly reversed after renewed military activity raised concerns about possible disruptions to global energy supplies.

The resulting increase in oil prices helped push Treasury yields higher and added another layer of uncertainty for investors already concerned about inflation. Energy stocks benefited from the move, while transportation, consumer discretionary, and other energy-sensitive industries faced additional pressure.

As is often the case, geopolitical headlines influenced short-term market movements, but the market's longer-term direction remained tied to economic growth, corporate earnings, and monetary policy.

Week Ahead

The coming week will bring another round of important earnings reports, with investors continuing to look for signs that the recent recovery in technology shares can be sustained. Market participants will also continue monitoring developments in the Middle East, the direction of oil prices, and any shifts in expectations regarding Federal Reserve policy.

Beyond the headlines, the central question remains unchanged: can the economy continue to grow while inflation gradually moderates? If so, investors may find that the current environment remains supportive of both stocks and bonds, even if periods of volatility become more frequent.

For long-term investors, the most important lesson from the week may be that innovation-driven investment cycles rarely follow a straight line. Enthusiasm surrounding artificial intelligence remains strong, but the market is increasingly demanding evidence that substantial investments today will generate sustainable profits tomorrow.

As always, please reach out to us for any questions and thank you for your trust.

Michael Neill, CFA

This communication is for informational purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any securities. Any references to specific securities are not recommendations and should not be relied upon as investment advice.