Are You Overexposed to Growth Stocks?
Most investors are aware of the outsized impact growth stocks have had on total returns in the U.S. stock market, at least for the past couple of years. In 2024, the mega-cap technology companies often referred to as AI “hyper-scalers” accounted for 41% of the S&P 500’s total return. And perhaps not surprisingly, the two best performing sectors last year were Communications Services and Technology, where many growth stocks can be found.
Growth stocks have no doubt done well. But there is also a narrative that ‘growth’ is the only category that matters, especially given the view that we could be in the early stages of an AI-driven economic transformation.1
I’m not writing to say this is wrong, or that growth stocks’ momentum is coming to an end soon. My goal in this week’s column is to remind investors that a pure growth mindset can introduce risk in an investment portfolio—whether it’s from over-allocating to growth stocks or underweighting other attractive categories, like value stocks.
2024 offers a useful case study for the argument I’m making. As mentioned, Technology stocks led the way. But we also saw improving performance outside of the Big Tech category, with the median stock in the index returning +12% and leadership changing hands throughout the year. In the second half of the year specifically, value stocks and growth stocks performed roughly in-line with each other, as value staged a strong rally starting in July. A diversified portfolio could have captured this upside with less overall risk.
Investors who simply own an index may think they’re getting this same level of diversification, but they may actually have greater exposure to growth stocks than they’re aware of. Case-in-point: growth stocks made up over 35% of the S&P 500 Index as of the end of last year, which is substantially above the historical average of 24%.
Consider that owning the S&P 500 today could mean over-allocating to growth stocks and under-allocating to value stocks, which means having a portfolio overweight to stocks that trade at high multiples. Value stocks, by contrast, trade at relatively attractive levels today, and are far below their long-term median valuation. I estimate that value stocks would need to rise by some 40% just to get back to this historical valuation.
While past performance doesn’t guarantee future results, it’s noteworthy that the last time the valuation disparity between the Russell Growth and Russell Value indexes was as extreme—back in December 2000—value stocks went on to substantially outperform growth stocks over the following one, three, and five years. High-growth stock prices might eventually steer investors toward more reasonably priced options and expand the market focus beyond just the largest firms.
There’s also an earnings case for looking beyond growth. In aggregate, pretax corporate profit margins are near record levels, and the “non-Magnificent Seven” stocks in the S&P 500 are poised to see double-digit earnings growth for the first time in four years. While the Technology sector is expected to see strong double-digit earnings growth as well, Tech earnings growth is poised to decelerate in 2025 while other sectors in the S&P 500 could see accelerating earnings growth. Investors tend to prefer the latter.
Bottom Line for Investors
Growth stocks have undeniably driven recent market momentum, and have commanded leadership over value for much of the past decade. But over-committing to the growth theme not only increases risk in a portfolio, in my view, it also misses out on other areas of the market that trade at attractive valuations and could see accelerating earnings growth this year.
Growth stocks may grab the headlines, but emerging opportunities in other sectors are equally compelling. As market valuations shift and uncertainty rises, investors with diversified portfolios—like we manage here at Zacks Investment Management—can better position themselves for tomorrow’s gains.
1 Black Rock. 2025. https://advisor.zacksim.com/e/376582/stocks-underweight-and-unaware/5sndxr/1161199135/h/VLtq2YXm2Rfa8n9y687OZE2OFHPBjPenlz9ruOK-XeA
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