Portfolio Manager Jeremiah Buckley shares his 2026 outlook for U.S. large-cap equities, highlighting a path for continued economic and earnings growth through artificial intelligence (AI) infrastructure spending and productivity gains.
Jeremiah Buckley is a Portfolio Manager at Janus Henderson Investors. Jeremiah joined Janus in 1998 as a research analyst covering the consumer, industrials, financials, media, software, and telecommunications sectors. He was Janus’ consumer sector lead for 10 years before transitioning to full-time portfolio management.
Jeremiah earned his Bachelor of Arts degree in economics from Dartmouth College, graduating Phi Beta Kappa. While there, he received the Class of ’39 scholarship for academic and athletic achievement and the Class of ’48 male scholar-athlete of the year award. He was also selected for the 1998 Academic All-Ivy Hockey Team and served as the men’s hockey captain from 1997 to 1998. Jeremiah holds the Chartered Financial Analyst designation and has 27 years of financial industry experience.
As we look toward 2026, we maintain an optimistic outlook for U.S. large-cap equities. This view is supported by a powerful capital investment cycle, a resilient consumer, and broadening productivity gains that have strengthened corporate earnings.
While this environment presents opportunities, navigating elevated concentration and valuations requires a selective, adaptive approach. Our focus remains on companies with scale, strong balance sheets, and the ability to invest in productivity-enhancing technologies.
Capital investment has driven productivity gains
The U.S. economy is benefiting from a historic capital expenditure boom. AI is a primary driver, with technology infrastructure spending now accounting for a meaningful portion of U.S. real GDP growth. Robust demand for cloud services and data center capacity shows no signs of slowing.
However, the capital expenditure story extends beyond technology. Recent tax policies allowing immediate depreciation of investments are fueling a broader spending cycle across the market. This widespread capital investment drives productivity gains, which could support future economic growth.
The shift toward greater efficiency has become increasingly evident. More companies are providing examples of AI applications delivering tangible productivity gains. The last two earnings seasons showcased impressive operating leverage, with companies posting strong revenue growth while controlling expenses. This suggests businesses are already seeing returns on their investments, boosting margins and earnings despite cost pressures.
Exhibit 1: S&P 500® Index operating margin (ex-energy)
Outside the volatile Energy sector, the market has benefited from consistent margin improvements over the last two years. Gains have been led by sectors like Communication Services, Information Technology, and Financials where companies can best leverage technology to improve operations.
Source: Bloomberg Intelligence, as of 14 November 2025.
Consumer spending remains resilient
We continue to be optimistic about consumer spending even as labor force growth has softened. Wage growth of around 4.5% continues to outpace pre-pandemic levels, supporting spending. Consumer balance sheets are strong, with the ratio of debt service to disposable income within normal historical range and credit delinquencies remaining low.
However, we recognize consumer spending is always shifting and there will be segments of the economy that contract while others expand. When analyzing credit card data, overall spending is strong, but some segments are flat, such as those more impacted by inflation and moderating job growth. Today, we see that consumers tend to favor experiences over goods, and that there is strong demand for travel.
We see the potential for an additional boost in consumer spending in 2026 from recent tax reforms, which should lead to better refunds during tax season. While spending is strongest among upper-income households benefiting from housing and market gains, the overall picture remains positive.
Market concentration reflects earnings leadership
Market concentration in the U.S. is at a level we haven’t seen in recent history. But when we look at the earnings growth and sustainability of the companies with the largest market capitalization, it’s not surprising because they are leading the technology transformation.
Given AI infrastructure’s importance to the economy, we’re monitoring whether companies achieve appropriate returns, execute on their backlogs, and generate revenue that supports continued investment. Should the AI investment cycle plateau and earnings trajectories change, investors must be prepared to adjust.
While multiples have expanded in the AI infrastructure theme, demand has continued to surprise to the upside, so earnings growth supports the multiples for now, in our view. That said, being adaptive is the right positioning today. Considerable time must be spent assessing balance sheets, cash flow statements, and business sustainability metrics to ensure fundamentals justify market weights.
Putting valuations in context
We acknowledge that the market’s overall multiple is elevated. However, context is helpful. First, the market’s composition has fundamentally shifted. The fastest-growing, highest return on invested capital (ROIC) sectors within the major indices have significantly increased in weight.
Furthermore, strong earnings support current multiple levels. The market delivered more than 12% earnings growth in the second quarter, with similar expectations through 2026. Unlike the 2000 tech bubble, today’s valuation expansion has been matched by a widening profitability premium. We can still find plenty examples of high-quality companies in secular growth industries trading at or below historical multiples.
Where we see opportunity
Within the AI theme, our focus is on both enablers and adopters. Enablers include semiconductor, cloud, and software companies, as well as enterprise platforms developing AI and automation solutions. Adopters are companies across all sectors that have committed to this new technology and are investing aggressively.
Encouragingly, earnings strength has extended beyond AI and technology. Commercial aerospace, capital markets, medical technology, and travel have delivered impressive results. This breadth suggests corporate health is more widespread than some narratives suggest.
Within financial services, investment banking revenues have grown more than 50% based on increased mergers and acquisitions activity and initial public offerings. We think capital markets activity will be strong for the next couple of years as funding continues for the AI capital expenditure investment cycle, potentially benefiting investment banks, ratings agencies, and exchanges. Also, digital payment companies have continued to grow earnings at a 15% annual clip as consumer spending remains strong.
We’re also finding attractive opportunities in industrials focused on automation and electrification. In addition, the need for power and cooling technology for data centers presents compelling opportunities.
Innovation and scale support market leadership
We believe the current environment underscores the advantages of scale, innovation, and access to capital that define leading U.S. large-cap companies. Transformation driven by AI is expensive, requiring strong balance sheets and market leadership to fund the necessary investments and harness the data for effective applications. We believe companies lacking scale or investment capabilities risk falling behind and losing market share.
Overall, we believe environment for U.S. large-cap equities remains positive heading into 2026. Innovation leadership and entrepreneurial culture extend beyond technology into important areas like healthcare devices and diagnostics as well as biotechnology. The U.S. also has a flexible labor force that can be retrained for more productive roles and opportunities as some jobs are replaced by AI. The combination of capital investment, productivity gains, a resilient consumer, and broadening earnings growth provides a durable foundation for continued market leadership.
IMPORTANT INFORMATION
Actively managed portfolios may fail to produce the intended results. No investment strategy can ensure a profit or eliminate the risk of loss.
Artificial intelligence (“AI”) focused companies, including those that develop or utilize AI technologies, may face rapid product obsolescence, intense competition, and increased regulatory scrutiny. These companies often rely heavily on intellectual property, invest significantly in research and development, and depend on maintaining and growing consumer demand. Their securities may be more volatile than those of companies offering more established technologies and may be affected by risks tied to the use of AI in business operations, including legal liability or reputational harm.
Equity securities are subject to risks including market risk. Returns will fluctuate in response to issuer, political and economic developments.
Financials industries can be significantly affected by extensive government regulation, subject to relatively rapid change due to increasingly blurred distinctions between service segments, and significantly affected by availability and cost of capital funds, changes in interest rates, the rate of corporate and consumer debt defaults, and price competition.
Growth stocks are subject to increased risk of loss and price volatility and may not realize their perceived growth potential.
Health care industries are subject to government regulation and reimbursement rates, as well as government approval of products and services, which could have a significant effect on price and availability, and can be significantly affected by rapid obsolescence and patent expirations.
Price-to-Earnings (P/E) Ratio measures share price compared to earnings per share for a stock or stocks in a portfolio.
Return On Invested Capital (ROIC) is a measure of how effectively a company used the money invested in its operations.
S&P 500® Index reflects U.S. large-cap equity performance and represents broad U.S. equity market performance.
Volatility is the rate and extent at which the price of a portfolio, security or index, moves up and down. If the price swings up and down with large movements, it has high volatility. If the price moves more slowly and to a lesser extent, it has lower volatility. The higher the volatility the higher the risk of the investment.
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