The caveat about halftime scores is that there’s always a second half. Midway through 2026, investors taking shots on goal find themselves on a shifting and increasingly complex playing field. Renewed hostilities in Iran have reintroduced meaningful geopolitical risk across global markets, causing energy prices to spike just as they were returning to pre-conflict levels. The result: a sudden surge in demand for defensive positioning as markets seek clarity on the trajectory of interest rates, consumer spending and the durability of corporate earnings.
Another change is the recent unwinding of the AI momentum trade. Part of the drawdown reflects growing skepticism about massive hyperscaler capital expenditures and the long-term monetization path for AI, with investors reassessing lofty tech valuations that had far exceeded those of the broader market. The sharp and decisive unwinding has seen the Magnificent Seven mega cap growth stocks trail the Russell 1000 Value Index by more than 10 percentage points since the beginning of June — a meaningful rotation away from concentrated technology exposure (Figure 1).
Redefined frameworks, recalibrated portfolios. Alongside the unwinding is a structural reshaping of the U.S. equity benchmark landscape that has implications for how investors think about style allocations. The June 2026 reconstitution of the Russell indexes was not only vast in scale, but also historic in its reclassifications of key constituent companies. Several of the Mag 7 names now represent roughly 17% of the Russell 1000 Value Index’s market capitalization, up from less than 7% previously, as companies like Amazon and Apple migrated into value benchmarks due to shifting valuation metrics.
Such changes have material consequences for portfolio construction. Investors in value-oriented strategies may now carry meaningful, perhaps unintended, exposure to the very high-multiple technology names they sought to underweight. Active managers benchmarked to the Russell 1000 Growth Index face a separate challenge, as semiconductors now make up more than 31% of that index, creating potential conflicts with standard industry diversification guidelines.
We believe these dynamics will increasingly reward selectivity and fundamental quality over simple benchmark exposure. Going forward, successful equity performance will likely be defined by three factors: (1) a clear-eyed view of where and how AI is delivering a genuine return on investment, (2) disciplined valuation and (3) a portfolio construction process that accounts for the new realities embedded in today’s reconstituted equity benchmarks.
Ongoing market dynamics should increasingly reward selectivity and fundamental quality over simple benchmark exposure.
Portfolio considerations
In this tumultuous environment, sophisticated allocators are increasingly asking the same question: how do we stay invested and generate returns without depending on rising markets? We believe the answer lies in a disciplined, integrated approach that combines strategies beyond traditional credit — convertible arbitrage, long-short credit and opportunistic collateralized loan obligations (CLOs) — dynamically allocated within a single framework.
- Convertible arbitrage sits at the core of this approach. Convertible bonds possess a unique structural characteristic — their embedded optionality means they can benefit from volatility rather than suffer from it. As equity volatility spikes, the value of those embedded options tends to rise, improving returns precisely when traditional strategies face the most headwinds. Per Bank of America data, convertible arbitrage was the best-performing hedge fund strategy from 2023- 2025. The global convertible market has reached $600 billion, with liquidity at record levels, providing a deep and diverse opportunity set (Figure 2).
- Long-short credit adds a flexible, active dimension. By taking both long and short positions across high yield bonds and senior loans — including distressed situations and tactical hedges — this component can provide a powerful lever for alpha generation while actively managing downside risk. It is not a passive bet on credit spreads; it is a dynamic tool for navigating cyclical turns.
- Opportunistic CLO debt and equity investing rounds out the framework. High-conviction positions in structured credit, deployed selectively when valuations are compelling, and can offer a differentiated return stream with low correlation to the other components of the approach — enhancing diversification within the overall portfolio.
Together, these three strategies are structurally designed to perform across market cycles with low volatility — potentially offering compelling risk-adjusted returns, meaningful downside mitigation, and genuine diversification from both equities and traditional credit. In our view, investors who embrace this kind of multi-strategy credit thinking are better positioned to turn today’s uncertainty into tomorrow’s results.
Strategies beyond traditional credit investing can outperform across market cycles with differentiated returns.
Nuveen's Global Investment Committee (GIC) brings together the most senior investors from across our platform of core and specialist capabilities, including all public and private markets.
Regular meetings of the GIC lead to published outlooks that offer:
- macro and asset class views that gain consensus among our investors
- insights from thematic “deep dive” discussions by the GIC and guest experts (markets, risk, geopolitics, demographics, etc.)
- guidance on how to turn our insights into action via regular commentary and communications
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Endnotes
Sources
All market and economic data from Bloomberg, FactSet and Morningstar.
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Important information on risk
All investments carry a certain degree of risk, including loss of principal, and there is no assurance that an investment will provide positive performance over any period of time. Any investment in collateralized loan obligations or other structured vehicles involves significant risks not associated with more conventional investment alternatives. The portfolios described herein are dynamic and may change over time. Use of the investment process tools and techniques described herein is no guarantee of investment success or positive performance. Credit risk is when an issuer of securities will be unable to pay principal and interest when due, or that the value of the security will suffer because investors believe the issuer is less able to pay. CLO liquidity risk is when during periods of limited liquidity and higher price volatility, a CLO issuer’s ability to acquire or dispose of Collateral Obligations at a price and time that the issuer deems advantageous may be severely impaired. Loan risk is the lack of an active trading market for certain loans may impair the ability of the strategy to realize full value in the event of the need to sell a loan and may make it difficult to value such loans. Below investment grade or high yield debt securities are subject to heightened credit risk, liquidity risk and potential for default. These securities, while generally offering higher yields than investment grade debt with similar maturities, involve greater risks, including the possibility of interest deferral, default or bankruptcy, and are regarded as predominantly speculative with respect to the issuer’s capacity to pay dividends or interest and repay principal. Issuers of high yield securities may be highly leveraged and may have fewer methods of financing available. The prices of these lower grade securities are typically more sensitive to negative developments, such as a decline in the issuer’s revenues or a general economic downturn, than are the prices of higher grade securities. The secondary market for high yield securities may not be as liquid as the secondary market for more highly rated securities, a factor which may have an adverse effect on a portfolio’s ability to dispose of a particular security. There are fewer dealers in the market for high yield securities than for investment grade obligations. Convertible arbitrage involve significant risks, including the potential for loss on both long convertible security positions and short equity positions if the anticipated pricing relationship between the two does not perform as expected. These strategies may employ leverage, which can magnify losses, and are subject to liquidity, credit, and market volatility risks that may be heightened during periods of market stress.
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