The concentration risk embedded in most equity portfolios today is no longer a theoretical concern. Recent weeks have made that point viscerally clear. In a new episode of Shelton Capital Management's Real Investment Insights1, Client Portfolio Manager Jonathan Bernstein and Lead Portfolio Manager Gary Stringer of the Shelton Active Allocation Solutions team lay out the case for two specific, timely diversifiers: real assets and the resilient American consumer.
The Problem with a Single Storyline
Years of extraordinary returns from mega-cap technology, semiconductors, and AI have quietly created a structural vulnerability across investor portfolios. As Bernstein frames it plainly at the outset, "investors' portfolios may become very concentrated in just a couple of thematic ideas." The risk is especially acute for retirees and those nearing retirement who, as Stringer notes, "may not have intentionally made such a concentrated bet as they're thinking about how do you want to grow assets after inflation."
To be clear, neither Bernstein nor Stringer is making a bearish call on technology. The argument is more disciplined than that: concentration itself is a risk factor, independent of any view on the sector's long-run prospects. The exercise is one of portfolio construction, not capitulation.
Real Assets: When Tech Zigs, This Zags
The first diversification avenue the team identifies is what Stringer calls "diversified real returns" — strategies designed to generate positive inflation-adjusted returns with low correlation to the traditional equity market. The asset class spans companies producing natural resources, global infrastructure such as utilities and toll roads, broad commodity exposure, and inflation-linked bonds.
The logic is straightforward and worth taking seriously. As Stringer explains, "when technology zigs, this will likely zag." And in a geopolitical environment defined by elevated uncertainty, real assets carry another distinct advantage: direct exposure to physical price dynamics. "With all the geopolitical risks that we're seeing around the world today," Stringer observes, "it creates a nice potential buffer from that because you're actually directly participating in things like oil prices and so forth."
Inflation-linked bonds deserve particular attention in this context. Their payout structure adjusts for inflation surprises, meaning they perform better precisely when the conditions are worst for traditional nominal fixed income. That asymmetry is a meaningful portfolio property.
The American Consumer: Ahead of the Data
The second thesis is built around the resilience of the U.S. consumer, and the Shelton team is making a deliberate choice to position ahead of what they believe the data will soon confirm. The setup is this: inflation-adjusted incomes have lagged, but persistent job gains combined with easing inflationary pressure are beginning to shift that equation.
Stringer puts the positioning rationale clearly: "we want to be a little bit ahead of that because our work suggests that that's where things are going." The team's recession tracker, updated twice monthly, already shows a confirming signal. According to Stringer, "inflation-adjusted retail sales actually increased the strongest pace in 4 years." That is not a small data point.
The consumer thesis is not premised on inflation disappearing. Rather, as Stringer notes, inflationary pressure is "becoming less acute." Combined with durable employment growth, that combination is sufficient to tip real purchasing power in a positive direction — and with it, the earnings potential of consumer-oriented businesses.
Diversification as Discipline
What makes this two-part framework coherent as portfolio strategy is precisely that the two ideas are independent of each other and independent of the technology theme. Real assets respond to inflation dynamics and geopolitical supply disruptions. Consumer-oriented equities respond to income growth and employment stability. Neither requires a view on AI adoption cycles or semiconductor capex.
Bernstein summarizes the logic with appropriate precision: "that combination — real assets for a ballast against inflation and geopolitical noise, and consumer discretionary for perhaps a resurgent American shopper — gives investors really 2 distinct timely ways to step outside the tech concentration trade."
The discipline of diversification, properly understood, is not a defensive retreat. It is the recognition that multiple return streams, driven by distinct economic forces, produce better risk-adjusted outcomes over time than any single compelling narrative — however compelling.
Five Key Takeaways for Advisors and Investors
- Concentration risk is portfolio risk. Technology's long dominance has created unintentional concentration for many investors, including retirees who never meant to make a directional bet on AI.
- Real assets offer genuine low correlation to equities, with inflation-linked payouts that perform better in adverse inflationary scenarios.
- Infrastructure and natural resource equities provide direct participation in commodity price dynamics, a meaningful hedge against geopolitical supply disruptions.
- Real wage growth is inflecting. Persistent job gains plus easing inflation are beginning to improve inflation-adjusted incomes — a historically bullish signal for the consumer sector.
- The best time to diversify is before the concentration becomes the problem. Positioning ahead of the data, as the Shelton team is doing, is an act of discipline rather than speculation.
Footnote:
1 Bernstein, Jonathan, and Gary Stringer. "Two Timely Ways to Diversify Beyond Mega Cap Tech Right Now." Real Investment Insights, Shelton Capital Management, 2025, https://www.youtube.com/watch?v=8jJvGUC2NTc. Accessed 9 Aug. 2026.
