By  Sébastien Page, CFA

Bubbles, barbells, and inflation risk: November 2025 remix

Discover how our Asset Allocation Committee is managing bubble risk and barbell valuations.

November 2025, In the Spotlight

Key Insights
  • Our Asset Allocation Committee is staying neutral on risk but adjusting its allocation mix amid growing questions around artificial intelligence spending.
  • The committee is positioned for a broadening of equity market performance, with a modest tilt to small-cap growth stocks.
  • Upside risks to inflation have led the committee to favor inflation-linked bonds and a short duration posture.

"Electricity added roughly 1% a year to global GDP via productivity for 32 years. [That] looks pedestrian compared to what I think AI can do."
– Dom Rizzo, T. Rowe Price portfolio manager, July 20251

At our latest Asset Allocation Committee meeting, we kept risk exposure neutral but changed our allocation mix. We shifted capital out of core large-cap equities into a barbell of U.S. value and U.S. growth, and we added a modest tilt to small-cap growth. We’re not adding market risk; we’re optimizing our risk budget.

The committee’s tone was constructive but disciplined. U.S. Federal Reserve (Fed) policy is easing at the margin. Artificial intelligence (AI) remains a multiyear theme. S&P 500 earnings remain solid, with the index on track for its fourth straight quarter of double-digit earnings gains.2 But valuations are full, there’s crowding in risk assets, and credit micro-signals—such as recent defaults—argue for prudence.

AI spending represents a key swing factor for the committee. Hyperscalers (the operators of hyperscale data centers) have lifted their 2025–2026 capex plans, but questions around return on investment are growing.3 I don’t think we should rely on perpetual multiple expansion. We believe pairing growth with value reduces single-factor risk.

Historic concentration

Equity market concentration isn’t just high—it’s at a record high (Figures 1a and 1b), driven by the rise of the Magnificent Seven (Mag 7) group of stocks.

Higher market concentration heightens risk

(Fig. 1a) The S&P 500 Index has reached unprecedented concentration levels
This line graph shows that the S&P 500 Index had reached unprecedented levels of concentration as of September 30, 2025.

 

 

Index heavyweights have lagged when market concentration has unwound

(Fig. 1b) Cumulative total returns for the top 10 and the rest of the S&P 500 Index after past concentration peaks
Table comparing cumulative total returns for the top 10 stocks in the S&P 500 Index versus those for the rest of the index after past concentration peaks, highlighting outperformance for the rest of the index during peak-to-trough concentration periods.

December 31, 1965, to September 30, 2025.
Past performance is not a guarantee or a reliable indicator of future results.
Soure: T. Rowe Price calculations using data from FactSet Research Systems Inc. All rights reserved. The 10 largest weightings in the S&P 500 Index and the rest of the index are reconstituted monthly. Total returns are capitalization weighted.

 

And for all the scrutiny over Mag 7 valuations and a potential AI bubble, a broader range of companies “beneath the surface” are trading at significant premiums. As my colleague David Giroux commented in our 2026 Global Market Outlook webinar, “What really hasn’t been reported [on]…is the, let’s call it, 300 [large-cap] companies that aren’t in secular decline, aren’t part of the AI trade, and have valuations about 15%–20% higher than the rest of the market.”

Many high-quality U.S. large-caps look expensive by historical standards.4 At the same time, the overall price-to-earnings (P/E) ratio (forward 12 months) for the S&P 500 Equal Weight is near its 10-year average.5 And the MSCI ACWI Equal Weight? It has a modest forward P/E of roughly 15.6

Investors are facing barbell valuations.

Broadening

Ultimately, we maintain conviction in our market broadening thesis. As we explain in our latest Global Asset Allocation Viewpoints: “Fed cuts, deregulation, fiscal stimulus and stronger M&A and IPO activity could serve as a catalyst to cyclical upswing and also lead to improving small-cap earnings and valuations.”

The case for international small-caps also remains compelling. Europe’s reinvestment in its domestic economy looks poised to benefit smaller companies, which are more tied to local supply chains and continue to boast attractive valuations.

A bullish setup for EM debt

In our fixed income sleeve, we continue to favor locally denominated non-U.S. debt, partly due to structural headwinds to the U.S. dollar and questions about its role as a hedge. 

Notably, the dollar’s carry premium has faded amid a global policy convergence. Meanwhile, emerging market (EM) real yields remain compelling, and fundamentals are cleaner than in prior cycles. Many EM countries have been disciplined in their budget management.

Asymmetric inflation risks

We’re paying close attention to economic headwinds. However, bullish macro signals such as earnings growth, jaw-dropping levels of AI capex, and resilient spending among higher-end consumers seem likely to overpower them. In addition, concerns over high budget deficits in developed markets and pressure on the Fed to keep ratcheting down interest rates are intensifying. This is creating asymmetric upside risk to inflation. An underweight to long duration bonds and an overweight to inflation-linked securities are two ways we’re managing this risk.

Emphasizing resilience

We believe that a U.S. growth/value barbell strategy, plus a measured small-cap growth tilt, lets us stay invested while spreading factor risk and leaning into where the next leg of earnings breadth can show up.

While economic headwinds bear watching, it’s important to remember how much markets have overcome in recent years: Russia’s invasion of Ukraine, decades-high inflation, more than 500 basis points of Fed rate hikes, major bank failures, and high tariffs.

To quote Head of Global Investments and CIO Eric Veiel, “The age of speculation is giving way to real‑world results, but investors must be mindful that old challenges—valuation, inflation, and geopolitical uncertainty—remain firmly in play.”

Sébastien Page, CFA Head, Global Multi-Asset and CIO
Sep 2025 From the Field Article

A delicate balance: Buoyant markets and the Fed tightrope

Explore why Fed policy, inflation, and equity market dynamics are widening the range...

1 T. Rowe Price Q3 Asset Allocation Viewpoints Webinar, recorded July 22, 2025.

2 Source: FactSet Insight, “S&P 500 Reporting Double-Digit Earnings Growth for 4th Straight Quarter,” November 3, 2025.

3 See The Wall Street Journal, “Flood of AI Bonds Adds to Pressure on Markets,” November 23, 2025.

4 Tedd Alexander, David Corris, and Brian Dausch, “Are high-quality U.S. large-cap stocks overpriced?” T. Rowe Price Insight. July 2025.

5 Source: Bloomberg Finance L.P., as of November 20, 2025.

6 Source: Bloomberg Finance L.P., as of November 20, 2025.

Please see vendor indices for more information, including definitions and source data: www.troweprice.com/marketdata.

DEFINITIONS

Visit www.troweprice.com/en/us/glossary for additional definitions of financial terms.

INVESTMENT RISKS

Bonds may decline in response to rising interest rates, a credit rating downgrade, or failure of the issue to make timely payments of interest or principal.

Diversification cannot assure a profit or protect against loss in a declining market.

Growth investments are subject to the volatility inherent in common stock investing, and their share price may fluctuate more than that of income-oriented stocks.

In periods of no or low inflation, other types of bonds, such as U.S. Treasury Bonds, may perform better than inflation-linked securities, such as Treasury Inflation Protected Securities.

International investments can be riskier than U.S. investments due to the adverse effects of currency exchange rates, differences in market structure and liquidity, as well as specific country, regional, and economic developments. The risks of international investing are heightened for investments in emerging market and frontier market countries. Emerging and frontier market countries tend to have economic structures that are less diverse and mature and political systems that are less stable than those of developed market countries.

Small-cap stocks have generally been more volatile in price than large-cap stocks.

Stock prices can fall because of weakness in the broad market, a particular industry, or specific holdings.

Investing in technology stocks entails specific risks, including the potential for wide variations in performance and usually wide price swings, up and down. Technology companies can be affected by, among other things, intense competition, government regulation, earnings disappointments, dependency on patent protection, and rapid obsolescence of products and services due to technological innovations or changing consumer preferences.

The value approach to investing carries the risk that the market will not recognize a security’s intrinsic value for a long time or that a stock judged to be undervalued may actually be appropriately priced.

IMPORTANT INFORMATION

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The material does not constitute a distribution, an offer, an invitation, a personal or general recommendation or solicitation to sell or buy any securities in any jurisdiction or to conduct any particular investment activity. The material has not been reviewed by any regulatory authority in any jurisdiction.

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