The Stock Market May Have a Serious Problem -- 2 Brilliant Index Funds to Buy to Hedge Against the Risk

North America
Source: The Motley FoolPublished: 09/27/2025, 07:14:00 EDT
S&P 500
Index Funds
Market Concentration
Technology Stocks
Artificial Intelligence
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News Summary

The U.S. stock market faces significant challenges from elevated valuations, tariffs threatening economic growth, and severe concentration risk. The top ten stocks in the S&P 500 now account for nearly 40% of its market capitalization, an unprecedented level, implying that poor performance from a few companies could profoundly impact the entire index. Goldman Sachs strategist David Kostin suggests this high concentration portends much lower S&P 500 returns over the next decade. To hedge against this risk, the article recommends two equal-weight S&P 500 index funds. The first, the Invesco S&P 500 Revenue ETF (RWL), weights companies by trailing-12-month revenues and caps individual holdings at 5%. This fund demonstrated greater resilience during the 2022 bear market and subsequent tariff announcements by President Trump, experiencing smaller declines than the traditional S&P 500. However, it underperformed the market-cap weighted S&P 500 over the past decade (245% vs. 310%) when top-performing stocks thrived. The second recommendation is the Invesco S&P 500 Equal Weight Technology ETF (RSPT), which equally weights all 68 companies within the S&P 500 information technology sector. This fund delivered a 468% total return over the last decade, significantly outperforming the S&P 500, driven by the strong performance of the tech sector and the tailwinds of artificial intelligence. Hedge fund manager Philippe Laffont forecasts the technology sector could comprise 75% of the total U.S. market cap by 2030. Both funds carry relatively high expense ratios of 0.39% and 0.4%, respectively.

Background

Since 2020, the U.S. stock market, particularly the S&P 500, has experienced significant growth predominantly driven by a handful of large technology stocks. This market concentration, while seen before (e.g., during the dot-com bubble), has now surpassed historical peaks. As a market-capitalization-weighted index, the S&P 500's performance is heavily tied to its largest constituents, leading to what is termed "concentration risk." Equal-weight index funds aim to mitigate this concentration by assigning identical weight to each constituent, providing broader market exposure and reducing reliance on a few giants. The article also references the 2022 bear market and the Trump administration's tariff policies, indicating that macroeconomic factors and trade policies continue to influence market sentiment and performance. Currently, the rapid advancement of artificial intelligence is widely seen as a primary driver for future growth within the technology sector.

In-Depth AI Insights

What are the deeper drivers behind the current surge in market concentration, and what long-term implications might extend beyond simple return degradation? - While superficially driven by technological innovation and corporate profit growth, the deeper cause may be a global capital flight to a few "certainty-generating" growth assets, especially amidst increasing global economic uncertainty and geopolitical tensions. - This concentration isn't just market efficiency; it also reflects investors' defensive strategies against macroeconomic cyclical volatility and policy uncertainty, favoring companies with strong moats, cash flows, and global reach. - In the long run, if the market continues to be dominated by a few giants, it could stifle innovation, limit the growth of new entrants, and consequently impact overall economic dynamism and productivity growth, rather than just a decline in index returns. Given the macroeconomic and policy risks under the current Trump presidency, does the hedging utility of equal-weight funds acquire new strategic value? - Yes, with President Trump's re-election, his "America First" policies could lead to further escalation of protectionism and tariffs, increasing market volatility and uncertainty. Equal-weight funds, by diversifying across a broader range of industries and companies, can effectively mitigate the risk of specific large companies suffering significant hits due to trade wars, supply chain disruptions, or antitrust scrutiny. - Furthermore, if the Trump administration's fiscal stimulus or deregulation policies fail to boost all large corporations equally, instead exacerbating industry differentiation, equal-weight funds are better positioned to capture growth opportunities from mid-to-small-cap companies or those outside the leading few, thereby offering a more balanced risk exposure and potential returns. Beyond hedging concentration risk, what unique investment value might the Invesco S&P 500 Equal Weight Technology ETF (RSPT) offer in the AI era? - RSPT not only hedges against the concentration risk of mega-cap tech stocks but also provides investors with a purer, broader beta exposure to the technology sector, especially as AI technology permeates various industries. - The equal-weight configuration means it can capture smaller and mid-sized tech companies that are not yet giants but stand to benefit significantly from AI development, potentially experiencing explosive growth in the coming years, which market-cap weighted indexes might not fully reflect. - Moreover, during a period where tech giants face increased antitrust scrutiny and regulatory pressure, RSPT's diversification allows it to better navigate these structural risks, avoiding over-reliance on a few companies that might be disproportionately impacted by policy shifts.